BIOL 261 Lecture Notes - Lecture 7: Appendicular Skeleton, Axial Skeleton, Rib Cage
Document Summary
Bones are segregated into the axial skeleton and appendicular skeleton: axial: skull, ossicles, hyoid, vertebral column, and thoracic cage, appendicular: upper and lower limbs, pectoral and pelvic girdles. Bones are classified by shapes: long, flat, short, and irregular. Axial skeleton: forms the central axis of the body, ex: skull, hyoid bones, vertebral column, thoracic (rib) cage. Bones and features of the skull: general anatomy. Contains cranial and facial bones: cranial bones. Form the rounded cranium surrounds and encloses the brain. Composed of: part of the frontal bone, parietal bone, parts of the occipital bone. Base of the cranium composed of: portions of the ethmoid, sphenoid, occipital, temporal bones. Superior view of the skull: functions, protects brain. Calvarias: superior view of skull, parietal bones. Base of the skull: base of the cranium composed of. Form part of orbit and nasal cavities, support the teeth, provide attachment sites for muscles of facial expression and chewing.
