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bones vocabulary

TermDefinition
osteo bone
long bones bones that are longer than wide
short bones small, cube shaped bones
flat bones thin, flat bones that protect organs
irregular bones bones with unusual shapes
diaphysis the long main shaft of a bone
epiphysis the rounded end of a long bone
epiphyseal line a line showing where a bones growth plate used to be
metaphysis the area between the diaphysis and epiphysis where bone growth occurs
medullary cavity the hollow space inside the shaft of a long bone
yellow bone marrow fatty tissue inside the bones that stores energy
periosteum a tough outer layer covering the bone
articular cartilage smooth cartilage that covers the ends of bones at joints
spongy bone lightweight bone tissue with many small spaces
trabeculae thin branching pieces of bone that form the structure of spongy bone
red bone marrow tissue that produces blood cells
compact bone hard, dense bone that forms the stronger outer layer of bones
osteon the basic structural unit of compact bone
haversian canal a central passage in an osteon that contains blood vessels and nerves
osteocyte a mature bone cell that maintains bone tissue
osteoblast a cell that builds new bone
osteoclast a cell that breaks down old or damaged bone
canaliculi tiny channels that connect bone cells and allow nutrients and waste to move between them
lamellae thin layers of bone tissue arranged around the haversian canal
endosteum a thin membrane lining the inside surfaces of bones
lacuna a small space in bone where an osteocyte is located
blood vessels tubes that carry blood throughout the body
arterioles small blood vessels that carry blood away from arteries and towards capillaries
venules small blood vessels that carry blood from capillaries toward veins
Created by: user-2003220
 

 



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