Anatomy and Cell Biology 3319 Lecture Notes - Lecture 6: Anterior Cranial Fossa, Sagittal Suture, Coronal Suture

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Introduction to skeletal system; surface landmarks of the skull. 151-170; 181-182 (148-165; 178 for 6 th ed. ) Skeleton consists of bones, cartilages, joints (articulations), ligaments. 206 bones grouped into the axial and appendicular skeletons. Appendicular skeleton: bones of the upper and lower limbs: including pectoral (shoulder) and pelvic girdles that attach limbs to axial skeleton. Axial skeleton: 80 bones in three major regions: skull, vertebral column, thoracic cage, supports the head/neck/trunk, and protects the brain, spinal cord, and thoracic organs. The cranial bones (cranium) enclose the brain, provide attachment sites for some head/neck muscles. The facial bones: framework of the face, cavities for the sense organs of sight, taste, smell, openings for the passage of air and food, hold the teeth, anchor face muscles. Most skull bones are flat, united by joints called sutures: longest sutures: coronal, sagittal, squamous, lambdoid connect the cranial bones, other sutures connect facial bones. Cranium divided into a vault and a base.

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