Structure of a Long Bone 1Diaphysis shaft of the bone 2Epiphysis is the wide

Structure of a long bone 1diaphysis shaft of the bone

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Structure of a Long Bone: 1.Diaphysis (shaft of the bone) 2.Epiphysis (is the wide part at each end) 3.Metaphysis (Is where diaphysis and epiphysis meet) - Chemistry make-up of bone matrix 1. Minerals make up 2/3 of the bone matric is calcium phosphate 2. Matrix proteins make up 1/3 of the bone matrix is protein fibers (collagen) - Know the name for the superficial membrane of a bone The Periosteum is the membrane that covers the outer surface of all bones, except the joints of the long bones - Know the differences and functions of: Osteoprogenitor cells, Osteoblasts, Osteocytes, & Osteoclasts Osteocyte: Mature bone cell that maintains the bone matrix Osteoblast: Immature bone cell that secretes osteoid, the organic component of the bone matrix Osteoclast: Multinucleate cell that secrete acids and enzymes to dissolve bone matrix Osteogenic cell: Stem cell whose divisions produce osteoblasts - Know what ossification does The natural process of bone formation (bone remodeling is the process of laying down new bone material by cells called osteoblasts)(it is synonymous with bone tissue formation) - Know the most abundant mineral in the body Calcium Chapters 7 & 8
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- Know the major cranial bones discussed in class Frontal, Temporal, Parietal, Occipital, Ethmoid, Sphenoid Cranial bones surround and protect the brain - What bone is the Foramen Magnum found The Occipital Bone - Names of the 1 st and 2 nd cervical vertebra Atlas and Axis - Bones of the Axial & appendicular skeletons
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  • Summer '17
  • corey geurlink
  • Occipital bone, true ribs, false ribs

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