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Skeletal System. Axial Skeleton Anatomy. Anterior view of skull. The skull 8 cranial bones: occipital, parietal, frontal, temporal, sphenoid, ethmoid 14 facial bones. Lateral view of skull. Sphenoid bone: keystone bone because it touches all other cranial bones
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Skeletal System Axial Skeleton Anatomy
The skull 8 cranial bones: occipital, parietal, frontal, temporal, sphenoid, ethmoid 14 facial bones
Sphenoid bone: keystone bone because it touches all other cranial bones Sellaturcica – holds the pituitary gland Ethomoid Cristal galli and cribriform plates hold the olfactory bulb (nerves)
Sinuses: Special openings that lighten the skull, warm and moisten air Figure 6.12c
Hyoid bone – only bone that doesn’t articulate with another bone Anchors the tongue.
7 12 5
Ribs (12 pair) True (7) connect directly to sternum via coastal cartilage False (3) connect indirectly Floating (2) don’t connect