BIO210Y5 Study Guide - Quiz Guide: Coronal Suture, Sagittal Suture, Anterior Fontanelle
Document Summary
Bones: list the four major components of axial skeleton, describe their function. Skull (cranium 8, face14: support and protect the brain, attachment sites of muscles to move jaw, head. Associated bones and mandible (auditory ossicles6, hyoid1: provides a surface area for the attachment of muscles. Thoracic cage (sternum1, ribs24: support and protect the organs in the body cavities of the trunk. Vertebral column (vertebrae24, sacrum1, coccyx1: support and protect the spinal cord, list and locate skull and associated bones. Cranium 8: frontal bone (front, parietal bone (middle, occipital bone (back, temporal bones (two sides) Articulates with facial bones, mandible, protects inner ear, has muscles to close jaw and move head. Mastoid process: attachment site for muscles to move head (rotate/extend) Styloid process: base of mastoid, ligaments that support hyoid bone: sphenoid (between frontal, parietal and temporal, ethmoid (under frontal) Hyoid bone (supports larynx, muscle attachment site for larynx, pharynx, tongue, allows speech)
