The major groups include fish, amphibians, reptiles, birds and mammals. Most compression fractures of the L1 vertebra occur in older adults. Invertebrates have no backbone, while vertebrates have a well-developed internal skeleton of cartilage and bone and a highly developed brain that is enclosed by a skull. The C5 spinal vertebra is the fifth vertebra from the top of the column. discomfort when sitting. One of the most important things that can be done for a T12 compression fracture is to seek. If your muscles get fatigued, they can lose some of their ability to keep your spine in alignment. They are thicker and larger than the cervical vertebrae but smaller than the lumbar vertebral bones. It also supplies blood to two very important regions of the brain: the posterior fossa and the occipital lobes. The thoracic vertebrae are bones located between the cervical and lumbar vertebrae. L2 – L4: These vertebrae are the middle of the lumbar spine. The axis, also known as the epistropheus, is the second cervical vertebra (C2) that has some similarities to a typical cervical vertebra but is categorized as an atypical vertebra because of its unique features. Bird anatomy, or the physiological structure of birds' bodies, shows many unique adaptations, mostly aiding flight. joint stiffness. The C1 vertebra, aka the atlas, supports the skull at the atlanto-occipital joint (see Image. The sacral spine consists of five segments, S1 - S5, that together affect nerve communication to the lower portion of the body. The point at which superior and articular facets meet is known as a facet, or zygapophyseal, joint. . The C6 vertebra is also known as the sixth cervical vertebra. The Castellvi classification is used for lumbosacral transitional vertebra (LSTV): type I: enlarged and dysplastic transverse process (at least 19 mm) Ia: unilateral Ib: bilateral type II: pseudoarticulation of the tran. 4. Buy, sell and discover authenticated pieces from top brands, spanning designer, vintage, streetwear and more. Vertebral tumors can cause different signs and symptoms, especially as tumors grow. : vertebrae) is an irregular bone with a complex structure composed of bone and some hyaline cartilage, that make up the vertebral column or spine, of vertebrates. Cervical disk replacement surgery involves removing a diseased cervical disk and replacing it with an artificial disk. swelling. These discs allow the spine to move freely and act as shock. Most spinal fractures are caused from injury or trauma from car accidents, falls, sports or some sort of high velocity impact. Not all people with fractured vertebrae are candidates for the procedure, however. decreased mobility. L3 Spinal Cord Injury. Explore top listings from the community today. Since it is not a vertebrae, C8 is also labeled as the cervical spinal nerve 8. The bone is named for Atlas of Greek mythology, for just as Atlas bore the weight of the heavens, the first cervical vertebra supports the head. Anatomical terms of bone. C1 and C2 form a unique set of articulations that provide a great degree of. The meaning of VERTEBRA is one of the bony or cartilaginous segments composing the spinal column, consisting in some lower vertebrates of several distinct elements which never become united, and in higher vertebrates having a short more or less cylindrical body whose ends articulate by pads of elastic or cartilaginous tissue with those of adjacent vertebrae and a bony arch that encloses the. , Which of the following is not associated with spongy bone? A) Trabeculae B). A typical thoracic vertebra is distinguished by its long, downward projecting spinous process. intertubercular lamella of the transverse process. Bones of the face. It protects vital organs, provides framework, and supports soft parts of the body. Anatomy and Function of the Spine. A compression fracture of the L1 vertebra can cause pain in the lower back and may. There are 31 pairs of spinal nerves located at the cervical, thoracic, lumbar, sacral, and coccygeal levels: 8 pairs. It is shaped like an upside-down triangle and sits at the bottom of the spinal column, connecting it to the pelvis. Numbness or tingling in your arms. ] Any of the 33 bony segments of the spinal column: 7 cervical, 12 thoracic, 5 lumbar, 5 sacral, and 4 coccygeal vertebrae. The function of the sacral vertebrae is to secure the pelvic girdle, the basin-like bone structure connecting the truck and the legs, supporting and balancing the trunk, and containing the intestines, bladder, bowel, and internal sex organs. This type of fracture is typically caused by a fall or a direct blow to the spine, and can lead to severe pain and disability. 1 – Thoracic Cage: The thoracic cage is formed by the (a) sternum and (b) 12 pairs of ribs with their costal cartilages. The spinal cord in this region has protection from five durable and mobile vertebrae (L1-L5) that allow for the dispersion of axial forces. C) short bone. At UT Southwestern, our specialists in the Spine Center provide advanced care for spine disorders, from degenerative diseases and cancer to injuries. The $217 million project consists of the installation of a stainless steel net, 20 feet below the sidewalk on both sides of the bridge, according to Golden Gate Bridge. A dermatome is a specific area of skin that is supplied by the dorsal root fibers of a spinal nerve. The bones of the spine are named according to the regions, e. A typical thoracic vertebra, seen from lateral side. Among all the vertebrae, the L5 lumbar vertebra is the largest. The inferior demifacet articulates with the rib below. 5 male-to-female ratio. In this article, we shall look at. Fractures in the bone cause the spine to weaken and collapse. Brain. The body of a vertebra is the large cylindrical mass of bone that serves as the primary weight-bearing structure throughout the vertebral column. The vertebral column, commonly referred to as the spine or spinal column, consists of 33 vertebrae organized in 5 main regions: 7 cervical, 12 thoracic, 5 lumbar, 5 sacral, and 4. It results from lesions that lead to compression of the spinal cord and damage to spinal cord tracts. However, an injury can occur too quickly for the vertebra to be repaired, and this leads to a crack in the pars. B) flat bone. This occurs most often in the lower vertebrae in the thoracic spine. The C1 vertebra, aka the atlas, supports the skull at the atlanto-occipital joint (see Image. A back brace may be needed for 8 to 12 weeks. The vertebral body is the large anterior cylindrical portion that is. The thoracic cage takes the form of a domed bird cage with the horizontal bars formed by ribs and. The vertebra prominens, or C7, has a distinctive long and prominent spinous process, which is palpable from the skin surface. Vertebral Column Anatomy Quiz. These vertebrae are larger because they carry more of your body's weight. slouched posture. Associated Conditions. The articulation of two bones creates a small hole, called a foramen, through which your peripheral spinal nerves travel. Transitional vertebrae are typically congenital, meaning they are present from birth, and usually do not cause any symptoms. The skeletal system of the horse is a skeletal system of a horse that has three major functions in the body. Dosage and Method of Administration. When a vertebra is injured, the most common problem is a fracture. In rare cases when 3 months of treatments have not reduced the pain, or if a spinal instability threatens the spinal cord or a nerve root, surgery may be indicated. 23). epicranius. The point at which. When the bones in your spine (vertebrae) collapse, you have a compression fracture of the back. Numbered C1 to C7, there are seven cervical vertebrae. circumduction. mandible bone. They have large, kidney-shaped vertebral bodies, triangular vertebral foramen, and short spinous processes. First Cervical Vertebra). Symptomatic hemangiomas are less than 1% of all hemangiomas, and are more. These include two superior articular processes, two inferior articular processes, two transverse processes, and a spinous process. 椎骨（ついこつ）または脊椎骨（せきついこつ、英：vertebra）は、脊椎の分節をなす個々の骨のこと。 縦一列に並んでおり、ヒトの場合上から順に頚椎7個、胸椎12個、腰椎5個、仙椎5個、尾椎3〜6個の32〜35個存在するが、仙椎および尾椎はそれぞれ癒合しており、仙骨および尾骨と呼ばれる。Vertebra prominens Position of C7 shown in red. Cervical Spine. Each vertebra consists of a vertebral body in front and a vertebral arch at the back. Lumbar as L1, L2,. A foraminotomy is designed to relieve pressure on a nerve root. blood clot. As compression fractures generally result in a loss of height of the vertebral body, restoring that height is the goal of surgical treatment. The vertebra prominens is the last bone in the cervical spinal column group. The coccyx ( pl. Instead, it comprises an anterior and posterior arch and a lateral mass. The cylindrical body of the vertebra is a stacking agent; in other words, the spinal column is made up of the 24 vertebrae, which are stacked one on top of the other. The problem occurs when the weight of the body on one side of the vertebra causes the bone to shift out of its normal alignment. The cervical spine handles a heavy load, as the head weighs on average. The vertebral bodies stack on top of each other and handle most of the spine’s stresses and loads while being cushioned by the intervertebral discs in between. The seven bones stacked upon one another form a bony tunnel for your spinal cord to travel through. Each vertebra has a large hole (vertebral foramen) for the spinal cord to pass through. Definition/Description. The lumbar region is situated between the thoracic, or chest, region of the spine, and the sacrum. The vertebra initially responds to increased physical strain of such activity by gradually adding new bone cells around the stressed area of the spine. The bony ring that is attached to the back of the vertebral body remains largely unphased. Primary spinal tumors are those that originate in the spine. Each vertebra (pl. [1] In humans, there are twelve thoracic vertebrae and they are intermediate in size between the cervical and lumbar. Faz parte do esqueleto axial e se estende desde a base do crânio até a ponta do cóccix. The lumbar spine connects with the thoracic spine above at the thoracolumbar junction and the sacral spine below at the lumbosacral joint. The cervical spine performs several crucial roles, including: Protecting the spinal cord. The cervical spine is the most superior portion of the vertebral column, lying between the cranium and the thoracic vertebrae. The eighth thoracic vertebra (T8) can be found towards the middle of this valley. The vertebral foramen provides for passage of the spinal cord. : 578 It results in a limited ability to move the neck and shortness of the neck, resulting in the appearance of a low hairline. Shop men's and women's clothing on Grailed, the platform for personal style. The most common type of fracture is a wedge fracture. The vertebral column is divided into five regions and. Each vertebra is composed of several parts that act as a whole to surround and protect the spinal cord and nerves, provide structure to the body and enable fluid movement in many planes. Compared to the cervical and thoracic regions, the lumbar vertebral group has a larger spinal canal diameter, on average, with. Vertebroplasty is a procedure that involves injecting cement into vertebrae, the bones that make up your spine. abduction. The sacral cord is situated between the T12 to L2 vertebrae, as shown in figure 1 Spinal Roots. See examples of VERTEBRA used in a sentence. vertebral: [adjective] of, relating to, or being vertebrae or the vertebral column : spinal. The seven cervical vertebrae are – C1, C2, C3, C4, C5, C6 and C7. The increase in size ensures they can support the weight. The vertebral artery delivers blood to the neck’s vertebrae, upper spinal column, the space around the outside of the skull. The vertebral column, also known as the backbone or spine, is the core part of the axial skeleton in vertebrate animals. posterolateral lip (uncus) pedicle. It provides several important functions, including: Protecting the spinal cord and nerves. See examples of VERTEBRA used in a sentence. The anterior aspect of the body has a greater height compared to the posterior. You can shorten your recovery by maintaining a proper lifestyle and cooperating with your doctor. The sacrum is a single bone comprised of five separate vertebrae. This injury tends to happen in three groups of people: Rarely, the L6 vertebra becomes fused to another vertebra, causing back pain. You know, in every skeleton, there are axial and appendicular parts. In individuals with sacralisation of vertebra L5 or lumbarization of vertebra S1, the lumbar disorders that normally affect L5 will affect L4 or L6, respectively. WebMD describes the condition and explains how it's treated. Each vertebra contains three points of articulation with ribs. Hemangiomas appear most in people between the ages of 30 and 50. The tumors may affect your spinal cord or the nerve roots, blood vessels, or bones of your spine. Spinal stenosis, which is a narrowing of the spinal column causing pressure on the spinal cord and nervesOrthopedics Back and Spine Surgery. The word spondylolisthesis (pronounced spohn-di-low-less-THEE-sis) comes from the. at UT Southwestern Frisco 12500 Dallas Parkway, 3rd Floor. Transverse process fracture. Advertising revenue supports our not-for-profit mission. It may put pressure on a nerve, which could cause lower back pain or leg pain. Spinal fusion is surgery to connect two or more bones in any part of the spine. The cervical spine (neck region) consists of seven bones ( C1-C7 vertebrae ), which are separated from one another by intervertebral discs. The cervical spine encompasses seven vertebrae and serves as a protection to the spinal cord. The cylindrical body of the vertebra is a stacking agent; in other words, the spinal column is made up of the 24 vertebrae, which are stacked one on top of the other. A cervical fracture is a break in a vertebra (bone) in your neck. T1’s spinous process projects at a more downward angle and may not be as prominent. Structural support for the body, allowing us to stand upright. For the most part, the spinal nerves exit the vertebral canal through the intervertebral foramen below their corresponding vertebra. Anterior components of the typical cervical vertebra 1: body. In adults, the five sacral vertebrae fuse to form a single bone, the sacrum, and the four rudimentary coccygeal vertebrae fuse to form the coccyx. The body is the anterior portion of each vertebra and is the part that supports the body weight. A vertebral wedge fracture is when one side of your vertebra collapses, usually the front side. The junction where the skull and the C1 vertebra meet forms a joint that allows the head to nod. The canine lateral wings or transverse processes. The neck is part of a long flexible column, known as the spinal column or backbone, which extends through most of the body. Mayo Clinic does not endorse companies or products. body is somewhat heart-shaped. A dislocation is when the vertebrae do not line up correctly or are out of place. 'Vertebrae' is the plural form of the word. Spinal fusion is a surgical procedure in which two or more vertebrae are permanently joined into one solid bone with no space between them. Cervical nerves are spinal nerves that arise from the cervical region of the spinal cord. One lumbar vertebra that may be considered atypical. Scoliosis, an abnormal curvature of the spine. Infections of the spine. They occur in about 10% of the world's population, and most people have no symptoms. Spinal anatomy. In the first, eleventh and twelfth ribs, the radiate ligaments connect the respective ribs with their corresponding vertebra and the vertebra above. The size of the vertebral bodies increases down the spine as the size and weight of the body it has to support above it increase. The cervical spine has seven stacked bones called vertebrae, labeled. Scoliosis is determined when the curvature of the spine measures 10 degrees or greater on an X-ray. These discs allow the spine to move freely and act as shock. myofascial pain syndrome, a chronic condition that causes pain in certain trigger. The ribs are anchored posteriorly to the 12 thoracic vertebrae. The "mid-thoracic" vertebra is in the middle of the spine. Inferiorly, to anchor the rib to its respective thoracic vertebra (i. Advertisement. It was created by member bobbuilder and has 8 questions. 2. The lumbar motion segments may be affected by congenital (birth-related), degenerative, traumatic, or inflammatory disorders. The thickness, compressibility and elasticity of the IV discs are features that primarily permit movements of the vertebral column. The column runs from the cranium to the apex of the coccyx, on the posterior aspect of the body. Lumbarization of S1 or lumbarization of first sacral vertebra is a condition in which the first sacral vertebra is not completely attached to its fused sacral components but instead this first sacral vertebra appears like the other lumbar vertebrae. The spinal cord extends from the skull to your lower back and travels through the middle part of each stacked vertebra, called the central canal. The Lumbar Spine. , The sella turcica is a part of the _____ bone and houses the _____ gland. Citation, DOI, disclosures and article data. The lumbar spine comprises the lower end of the spinal column between the last thoracic vertebra (T12) and the first sacral vertebra (S1). The. A vertebra consists of a cylindrical body in front and a bony ring in the back. The goal of the procedure is to relieve back pain while maintaining more normal motion than is allowed with some other procedures, such as spinal fusion (which aims. AP : anteroposterior LSTV : lumbosacral transitional vertebra. Compression fractures occur when a spinal vertebra caves in due to extreme pressure on it. Each pair of nerves connects to a different set of muscles for movement and area of skin for sensation. C1 (the first vertebra) is the ring-shaped atlas. C3-C7 are more classic vertebrae, having a body, pedicles, laminae, spinous processes, and facet joints. The two transverse processes of each vertebra function as the site of attachment for muscles. They'll slowly start to allow your vertebra to shift one way or the other. Key points. . Shark vertebrae of different genera/species can look very similar. Relieve compression of the spinal cord and/or C6 spinal nerve (s). A dermatome is the area of sensory nerves near the skin that are supplied by a specific spinal nerve root. First, the vertebral body is absent, allowing the ring-shaped C1 to accommodate the spinal cord as it exits the foramen magnum. A compression fracture of the thoracic spine (T12) can be a debilitating injury that may cause a significant amount of pain. L5 and S1 are joined by the lumbosacral facet joints lined with articular cartilage. The collapsed vertebra can put pressure on the spinal cord and nerves, causing pain, numbness, and weakness. A spinal fracture is a dislocation or fracture of the vertebrae (backbone) and can occur anywhere along the spine. com The vertebral column (also known as the backbone or the spine), is a column of approximately 33 small bones, called vertebrae. To the human eye, this is the curve just above the buttocks, which is also commonly referred to as the small of the. Subluxation is an essential entity of traumatic subaxial cervical spinal injuries. Also known as the zygapophyseal or apophyseal joint, is a synovial joint between the superior articular process of one vertebra and the inferior articular process of the vertebra directly above it. The cervical portion of the spine is an important one anatomically and clinically. It’s the longest section of your spine. This is due to the inward curve of the cervical spine, and a gentle outward curve in the thoracic region. Like the other lumbar vertebrae, it is among the largest of the bones in the spinal column, with a substantial, cylindrical centrum (ventral body) that is wider than it is deep to support the body’s. Anterior ArchFracture of a vertebra. Fluoroscopic (x-ray) guidance with radiopaque contrast dye is usually used for. The human spine is a complex anatomic structure that is the scaffolding for the entire body. Posteriorly the body is connected to a thin ring of bone known as the arch. Your lumbar spine consists of the five bones (vertebra) in your lower back. bones of the pectoral girdles c. L1: This vertebra begins the lumbar spine after the thoracic spine ends. pulmonary embolism. anterior and posterior tubercle of the transverse process. Spinal cord compression is caused by a condition that puts pressure on your spinal cord. LSTVs include sacralization of the lowest lumbar vertebral body and lumbarization of the uppermost sacral segment. [1] The cervical spine is subjected to extrinsic factors such. What is the T3 Vertebra? The T3 vertebra is the third segment of the twelve thoracic vertebrae. It consists of five vertebrae known as L1 - L5. See moreVertegra 24MG x 100’s. vertebra (ver'te-bra) plural. D) irregular bone. A transitional vertebra is a common variation found in the human spine where a vertebral segment possesses characteristics that appear to bridge two adjacent regions of the spine. Vertebrae are the small, interlocking bones of the spine. Watch Lumbar Laminectomy Surgery Video. The lumbar vertebrae and disks are at the bottom of your spine. Its members include fishes, amphibians, reptiles, birds, and mammals. While classified as peripheral nerves, the motor cell body resides in the anterior horn of the spinal cord. The vertebral column is part of the axial skeleton. A typical vertebra consists of a vertebral body and vertebral arch. Normally, each vertebra is separated by intervertebral disks and cartilage, which adds a cushion between vertebrae and allows them to. Figure 7. It gives mobility and a definite shape, as well. The atlantoaxial jointThe zygapophyseal joints, also called facet joints, are joints of the vertebral column that are classified as joints of the vertebral arches. Between each vertebra is a soft, gel-like cushion called a disc that helps absorb pressure and keeps the bones from rubbing against each other. It looks like a single bony component composed of 5 fused vertebrae (S1-S5). function in muscle anchorage. In humans, it further transmits body weight in walking and standing. The coccyx can be a source of pain in many people. The spinal cord itself is about 45 cm (18 in) in men and 43 cm (17 in) long in women. About anatomy of the spine. Therapeutic Class. The vertebral column is composed of 33 bones in total: 7 cervical (neck), 12 thoracic (chest), 5 lumbar (lower back), 5 sacral, and 4 coccygeal (fused into the coccyx ). Pig skeleton anatomy. A typical thoracic vertebra is distinguished by its long, downward projecting spinous process. The lowest lumbar vertebra is situated just above the sacrum, or triangular bony plate that extends from the hip line to the middle of the buttocks. There are about 23 discs in the spine; 6 cervical, 12 thoracic, and 5 in the lumbar region. Connecting them prevents movement between them. Function. The C1 vertebra (also known as the atlas) is the uppermost vertebra of the spinal column. Advertising & Sponsorship. Pathology of the spine can lead to debilitating outcomes on quality of life. The L5-S1 disc at the bottom of the spine lies between the L5 vertebra and the first bony segment at the top of the sacrum, which is sacral segment 1 (or S1). tenderness. The canine atlas, or C1 vertebra (see Figure 5-12), has a transverse foramen in each transverse process, a craniodorsal arch, and right and left lateral vertebral foramina for the passage of cervical spinal nerve 1. In severe cases, surgery may be. The discs throughout the spine have three primary functions: They act as a shock absorbers in the spine, positioned between each bony vertebra. 2. In humans, they are a series of 33 bonesthat run from the base of the skull to the coccyx. drawing the lip downward. There are five lumbar. Within the different regions of the vertebral column, vertebrae vary in size and shape, but they all follow a similar structural pattern. The second vertebral body is called the axis and acts like a post that supports the atlas. Orthopedics Osteoporosis Back and Spine Surgery. Your thoracic spine consists of 12 vertebrae, labeled T1 through T12. A brace may decrease your pain, and help your vertebrae heal. In the majority of cases, kyphosis causes few problems. For example, the T3 nerve root runs between the T3 vertebra and T4 vertebra. Nerves branch out. Your spine is made up of bones called vertebrae that are stacked on top of each other. Trouble bending or twisting your. Surgical Treatment for C5-C6. Sympathetic nervous system. The vertebral column (also known as the backbone or the spine), is a column of approximately 33 small bones, called vertebrae. Spinal Anatomy and Back Pain. The intervertebral joints connect directly adjacent vertebrae of the vertebral column. The axis' defining feature is its strong odontoid process (bony protrusion) known as the dens, which rises dorsally from the. Secondary ossification centers in the superior and inferior surfaces of the vertebral body contribute to the development of the growth plate. Rotation Fracture Pattern. Individuals with a lumbar spinal cord injury at this level will therefore have more hip and knee movement, but may lack. Vertegra 24MG x 100’s See full list on spineinfo. Thoracic Spine. transverse process. Parts of the lumbar spine. In Greek mythology, Atlas was the titan who held the Earth on his shoulders, just like the atlas holds the skull on top of the neck. It may happen anywhere along the spine, but is most common in the lower back. The spinal nerves are the body’s major nerves within the peripheral nervous system (PNS). Butterfly vertebra in two patients: Coronal reformatted image from a non-contrast CT of the spine (a) and coronal T1-weighted MR image of the upper thoracic spine (b) both demonstrate separate ossification centres on each side of the vertebral body (marked by asterisks). Thoracic Vertebrae (vertebrae of the upper back)--12. Background context: There are three phases in prophylaxis of surgical site infections (SSI): preoperative, intraoperative and postoperative. g. The basic. After that point, nerve roots exit each of the remaining. This procedure can be performed at any level in the spine (cervical, thoracic, lumbar, or sacral) and prevents any movement between the fused vertebrae. It then extends caudally to the. It is commonly damaged from trauma due to falls and can. Supination is the motion that moves the ______________. 5. A fractured spine is a medical term for breaking any of your vertebrae, the 33 bones that make up your spinal column. Spinal cord compression can often be helped with medicines, physical therapy, or other treatments. This supports the lumbar spine in its main function as a weight bearing structure. vertebrae definition: 1. The spinal column consists of cervical, thoracic, and lumbar vertebrae. This robust bone can endure a. The intervertebral disc (IVD) is important in the normal functioning of the spine. It occurs when the transverse process (es) of the fifth lumbar vertebra articulates with the sacrum, resulting in abnormal spinal mobility and associated discomfort. The human spine is composed of 33 vertebrae that interlock with each other to form the spinal column. Anterior spinal, posterior spinal, posterior inferior cerebellar, meningeal, medullary, basilar arteries. Vertebrae: Your spine has 33 stacked vertebrae (small bones) that form the spinal canal. 6 – Cervical Vertebrae: A typical cervical vertebra has a small body, a bifid spinous process, transverse processes that have a transverse foramen and are curved for spinal nerve passage. Vertebra definition: . It is located in close proximity to the thyroid cartilage. Spinal Discs. C7 has a longer spinous process (bony protrusion), which can be felt in the back of the neck. the spinous process is long and slender and projects downward and backward. A single bone in your spine is a vertebra — vertebrae is the plural form. The superior demifacet of a thoracic vertebra articulates with the corresponding rib (costovertebral joint). Compression fractures of the spine generally occur from too much pressure on the vertebral body. Loss of bladder or bowel control. The atlas (C1 vertebra) differs from the other cervical vertebrae in that it does not have a body, but instead consists of bony ring formed by the anterior and posterior arches. Share. Conversely, the joint between the C1 and C2 vertebrae allows the head to turn left and right. The T12 vertebra is the twelfth thoracic vertebra in the spine of the human body. : one of the bony or cartilaginous segments composing the spinal column, consisting in some lower vertebrates of several distinct elements which never become united, and in. The most common type of vertebral fracture is called a compression fracture. They are relatively rare, typically benign (noncancerous) and represent a small percentage of spinal tumors. This condition or weakness can occur in up to 5% of children as young as. Thoracic as T1, T2, etc. It becomes larger from the cervical vertebra (C2) to the lumbar vertebra (L5). You can now find the same award-winning technologies such as Axis 3D/AR with an all inclusive apparel try-on and sizing experience. C) short bone. This portion of the spine is also vulnerable to bulging or herniated discs. C7, also called vertebra prominens, is the last cervical vertebra. The region between the spinous process and the transverse process is called the lamina. The T6 vertebra is the sixth vertebrae in the thoracic spine, and is located between the shoulder blades. It consists of 5 bones, from the top down, L1, L2, L3, L4 and L5. It comes from the phrase “bone of the spine” from Latin. Vertebrae are the 33 individual, interlocking bones that form your spinal column. See examples of VERTEBRA used in a sentence. The spinal cord in this region has protection from five durable and mobile vertebrae (L1-L5) that allow for the dispersion of axial forces. Several groups of vertebrates inhabit planet Earth.