Ch 4 Axial Skeleton Flashcards
The axial skeleton contains:
bones of the head, neck, spine, chest, trunk
The head is divided into ?
cranium and facial bones
the skull does what?
protects the brain, eyes, ears, nasal cavity, and oral cavity
the cranium provides?
attachment for chewing and head muscles
Frontal bone
-cranium
forms forehead
the two parietal bones
-cranium
form upper sides and roof of skull
the two temporal bones
-cranium
form the sides and base of the skull
the ethmoid
-cranium
forms the eye orbit, nose, and part of the floor of the skull
the sphenoid
-cranium
forms part of the floor of the skull
the occipital
-cranium
forms the back of the skull and part of the base of the skull
mandible
moveable lower jaw
maxilla
fixed upper jaw
the two zygomatic bones
the cheeks
the vomer
part of the nasal septum
the palatine
roof of the mouth and floor of the nasal cavity
the two nasal bones
forms nasal septum and bridge of the nose
the two lacrimal bones
the inner corners of the eye
the hyoid
single U shaped bone
found in neck between mandible and larynx
provide point of attachment point for swallowing and speech muscles
the trunk is ____ to the hyoid?
what does it consist of?
inferior to hyoid
consist of vertebral column, sternum, and rib cage
cervical vertebrae
-neck region
C1 to C7
thoracic vertebrae
-chest region
T1 to T12
lumbar vertebrae
-small of the back
L1 to L5
Sacrum
base of the vertebral column
coccyx
3 to 5 vertebrae attached to the sacrum
