skeletal system
DESCRIPTION
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 - PowerPoint PPT PresentationTRANSCRIPT
Skeletal System
Axial Skeleton Anatomy
Anterior view of skull
The skull8 cranial bones: occipital, parietal, frontal, temporal, sphenoid, ethmoid14 facial bones
Lateral view of skull
Sphenoid bone: keystone bone because it touches all other cranial bonesSella turcica – holds the pituitary glandEthomoidCristal galli and cribriform plates hold the olfactory bulb (nerves)
Superior View of Skull after transverse cut.
Medial view of skull
Inferior view of skull
Figure 6.12c
Sinuses: Special openings that lighten the skull, warm and moisten air
Hyoid bone – only bone that doesn’t articulate with another boneAnchors the tongue.
7
12
5
Hyoid and Cervical vertebra
Bone Markings of Vertebra
Atlas and Axis (C1 and C2)
Thoracic and Lumbar vertebra
Sacrum and Coccyx – fused vertebra
Ribs (12 pair)True (7) connect directly to sternum via coastal cartilageFalse (3) connect indirectlyFloating (2) don’t connect
