Card Set: Anatomy & Physiology: Axial Skeleton Key Terms

A&P Key Terms 07 Axial Skeleton


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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 C1C7 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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