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Axial Skeleton
Axial Skeleton
15
Anatomy
12th Grade
01/04/2016

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Term
Axial Skeleton
Definition
skull, hyoid bone, vertebral column, and thoracic cage
Term
Sutures
Definition
an immovable joint between flat bones of the skull
Term
Sinuses
Definition
cranial bones containing air-filled cavities
Term
Cranium consists of how many bones?
Definition
8
Term
Frontal bone
Definition
(1) forehead
Term
Parietal bones
Definition
(2) one on each side of skull forms sides and roof of cranium
Term
occipital bone
Definition
forms back of skull and base of cranium
Term
Foramen Magnum
Definition
opening in lower surface; nerve fibers pass through from brain to enter vertebral column
Term
Occipital condyles
Definition
rounded processes on each side of the foramen magnum
Term
Temporal
Definition
(2) located near the inferior margin, leads to internal ear
Term
external auditory meatus
Definition
opening that leads to the internal ear
Term
styloid process
Definition
below the external auditory meatus, anchors the muscles associated with the tongue and pharynx
Term
Sphenoid bone
Definition
central bone of the skull
Term
ethmoid bone
Definition
forms most of the upper nasal region
Term
vertebral column
Definition
forms the vertical axis of skeleton
composed of 26 vertebrae
has 4 curvatures, cervical, thoracic, lumbar, and pelvic
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