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skeleton 2/
the primary bones of the upper body
| Question | Answer |
|---|---|
| how many vertebra does the vertebral column contain? | 31 |
| how much is the vertebral column made of cervical vertebra? | 7 |
| how much is the vertebral column made of thoracic vertebra? | 12 |
| how much is the vertebral column made of sacral vertebra? | 5 |
| how much of the coccygeal vertebra is in the vertebral column? | 2 |
| the sacral vertebra is what together to form a solid unit? | fused |
| what is ______ of the vertebra is the wedge-shaped structure that extends posteriorly from the vertebra. this structure is formed by bony plates, the lamina. (can be felt as a bump when you run your fingers down the spinal column) | spinous(dorsal) process |
| the bony plates that form the spinous process | lamina |
| failure of the lamina fusing will result in? | spinal bifida |
| it leaves the spinal cord exposed and can lead to spinal cord damage. | spinal bifida |
| ___ extends laterally from either side of the vertebra. These processes serve as muscle attachments, and in the thoracic region, as attachments for the ribs. | transverse process |
| is a solid round or oval structure which lies on the anterior aspect of the vertebra. | body |
| how much is the vertebral column made of lumbar vertebra? | 5 |
| flat cartilaginous_____ are placed between the vertebral bodies to cushion the vertebra and reduce injury as the body moves around its environment. The central portion of these discs is filled with paste-like material. | intervertebral discs |
| they attach the transverse processes to the body of the vertebra, completing the formation of the central hole in the vertebra, the vertebral foramen. | pedicles |
| the spinal cord tunnels through the space that forms in the vertebral column | vertebral canal |
| the final components of the vertebra are _____. The ___ of one vertebra forms a joint with the superior articular process of the next vertebra in line. | superior and inferior articular process |
| the first of the cervical vertebra is ? | the atlas |
| very flat vertebra forms the articulation with the occipital condyles of the skull, allowing you to move in and up-and-down fashion, as when you shake your head "yes" | altas |
| the second cervical vertebra is what? | axis |
| axis has a modified body called? | dens |
| another name for dens | odontoid process |
| the _____ extends into the atlas creating a pivot joint that allows the head to rotate side-to-side, as when you shake your head "no." | odontoid process |
| the thoracic vertebra have an additional set of articular surfaces. | rib facets |
| they are located on the transverse proces. Forms the posterior portion of the ribs | rib facets |
| are the largest vertebra of the spinal column | lumbar vertebra |
| these vertebra are big, have a single hole, and lack rib facets | lumbar vertebra |
| five sacral vertebra fuse together during development to form a single solid unit___? | sacrum |
| forming the posterior wall of the pelvis | sacrum |
| forming the posterior wall of the pelvis | sacrum |
Created by:
a.quimbaya1
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