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| 1. | alveolar process of the mandible | upper border of mandibular body that contains the lower teeth |
| 2. | alveolar process of the maxilla | curved, inferior margin of the maxilla that supports and anchors the upper teeth |
| 3. | angle of the mandible | rounded corner located at outside margin of the body and ramus junction |
| 4. | angle of the rib | portion of rib with greatest curvature; together, the rib angles form the most posterior extent of the thoracic cage |
| 5. | anterior (ventral) sacral foramen | one of the series of paired openings located on the anterior (ventral) side of the sacrum |
| 6. | anterior arch | anterior portion of the ring-like C1 (atlas) vertebra |
| 7. | anterior cranial fossa | shallowest and most anterior cranial fossa of the cranial base that extends from the frontal bone to the lesser wing of the sphenoid bone |
| 8. | anterior longitudinal ligament | ligament that runs the length of the vertebral column, uniting the anterior aspects of the vertebral bodies |
| 9. | anulus fibrosus | tough, fibrous outer portion of an intervertebral disc, which is strongly anchored to the bodies of the adjacent vertebrae |
| 10. | appendicular skeleton | all bones of the upper and lower limbs, plus the girdle bones that attach each limb to the axial skeleton |
| 11. | articular tubercle | smooth ridge located on the inferior skull, immediately anterior to the mandibular fossa |
| 12. | atlas | first cervical (C1) vertebra |
| 13. | axial skeleton | central, vertical axis of the body, including the skull, vertebral column, and thoracic cage |
| 14. | axis | second cervical (C2) vertebra |
| 15. | body of the rib | shaft portion of a rib |
| 16. | brain case | portion of the skull that contains and protects the brain, consisting of the eight bones that form the cranial base and rounded upper skull |
| 17. | calvaria | (also, skullcap) rounded top of the skull |
| 18. | carotid canal | zig-zag tunnel providing passage through the base of the skull for the internal carotid artery to the brain; begins anteromedial to the styloid process and terminates in the middle cranial cavity, near the posterior-lateral base of the sella turcica |
| 19. | cervical curve | posteriorly concave curvature of the cervical vertebral column region; a secondary curve of the vertebral column |
| 20. | cervical vertebrae | seven vertebrae numbered as C1C7 that are located in the neck region of the vertebral column |
| 21. | clavicular notch | paired notches located on the superior-lateral sides of the sternal manubrium, for articulation with the clavicle |
| 22. | coccyx | small bone located at inferior end of the adult vertebral column that is formed by the fusion of four coccygeal vertebrae; also referred to as the "tailbone" |
| 23. | condylar process of the mandible | thickened upward projection from posterior margin of mandibular ramus |
| 24. | condyle | oval-shaped process located at the top of the condylar process of the mandible |
| 25. | coronal suture | joint that unites the frontal bone to the right and left parietal bones across the top of the skull |
| 26. | coronoid process of the mandible | flattened upward projection from the anterior margin of the mandibular ramus |
| 27. | costal cartilage | hyaline cartilage structure attached to the anterior end of each rib that provides for either direct or indirect attachment of most ribs to the sternum |
| 28. | costal facet | site on the lateral sides of a thoracic vertebra for articulation with the head of a rib |
| 29. | costal groove | shallow groove along the inferior margin of a rib that provides passage for blood vessels and a nerve |
| 30. | cranial cavity | interior space of the skull that houses the brain |
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