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Bio 146 Chapter 7
axial skeleton
6
Biology
Undergraduate 2
08/29/2011

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Term
axial skeleton functions
Definition
supports and protects organs in body cavities
attaches to muscles that
to adjust position of head, neck and trunk
respiration
stabilize or position appendicular skeleton
Term
axial skeleton
Definition
head/ skull, not limbs
Term
skull
Definition
8 cranial bones. enclose the cranial cavity
fluid filled chamber that cusions and supports brain
inside: allows attachment of blood vessels, nerves and membranes
outside: attachment of muscles that move eyes jaw and head.
Term
14 facial bones
Definition
protect and support entrances to digestive and respiratory tracts
superficial facial bones
for muscle attachment for facial expressions and eating
deep facial bones
separate the oral and nasal cavities
Term
lamboid suture
Definition
connects occipital to parietal. arch on back of head.
Term
sagittal suture
Definition
between parietal bones midline. lamboid suture to coronal suture
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