PET 3322L Lecture Notes - Lecture 1: Pisiform Bone, Mirrorless Interchangeable-Lens Camera, Cervical Vertebrae
9 Dec 2017
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Document Summary
Functions of bone: support, protection, movement, storage, blood cell production. Bone cells: osteoblast, (cid:862)b(cid:863) builds forms bone matrix, osteoclast, resorbs bone, osteogenic cell, stem cell, osteocyte, maintains bone tissue. Spongy bone: more porous than compact bone. With osteoporosis (cid:455)ou ca(cid:374)"t put (cid:373)uch pressure o(cid:374) the bone. Bone anatomy: long, longer than wide, humorous, short, roughly equal in length and width, flat, thin sheet of compact bone, sternum, sesamoid, bones between tendons. Irregular: vertebrae, does not fit into other categories. Inner layer contains bone cells: outer layer blood vessels and nerves, fibers of tendon and ligaments become continuous with fibers of periosteum. The complete skeleton: axial, skull, hyoid bone, ribs, sternum, appendicular, upper limb bones, low limb bones, pelvic girdle, pectoral girdle. Paranasal sinuses: functions, decrease skull weight, resonating chambers, named for bones in which theyre found, frontal, maxillary, ethmoid, sphenoid.
