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bones pt.1

structures and functions

QuestionAnswer
functions of bones supports, protects, helps make movement possible, stores calcium, hemopoiesis
hemopoiesis blood cell formation in red bone marrow
sesamoid bones round
diaphysis/shaft hollow tube of hard compact bone
medullary cavity hollow area inside diaphysis, contains yellow bone marrow
epiphysis ends of bone, spongy, contains red bone marrow
articular cartilage covers and cushions epiphysis
periosteum strong membrane covering bone everywhere EXCEPT JOINT SURFACE
endosteum membrane lining medullary cavity
diploe spongy bone layer of flat bone, sandwiched between 2 compact bones
cancellous spongy
trabeculae needle like threads of bone, found in epiphysis, contains red bone marrow
osteon structural unit of bone
concentric lamella calcified matrix in rings
osteocytes bone cells and inactive osteoblasts
lacunae spaces where osteocytes are found
canaliculi tiny tubes that connect lacunae
chondrocyte cell type of cartilage tissue
matrix in cartilage tissue gel like and lacks blood vessels
Created by: b.marshall
 

 



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