BIOL 205 Lecture Notes - Lecture 9: Thoracic Vertebrae, Axial Skeleton, Appendicular Skeleton
Document Summary
Chapter 7a axial skeleton (w/ brief intro to skull) o o o. The axial skeleton: bones along the central axis of the body. Sternoclavicular joint [sternal, saddle diarthrosis] end of clavicle and clavicular notches of sternum o. Sacroiliac joint [synovial, planar diarthrosis]: auricular surfaces of ilium an sacrum. Large degree of mobility at scapula because there is no direct articulation between scapula and axial skeleton on posterior side (scapula attached to upper limb) o. Supports and protects organs protect brain in cranial cavity, spinal cord in vertebral column, heart and major blood vessels in thoracic cavity (ribs), and internal organs o o o. Houses special sense organs eyes, hearing, smell, taste. Attachment for skeletal muscles muscles that move upper limb. Spongy bone hemopoietic large number of flat bones in axial skeleton that include a middle layer of spongy bone o o o. Spongy bone produce red blood cells = hemopoiesis. Facial bones (14) form bones of the face.
