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29 Cards in this Set
- Front
- Back
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what shape of a bone acts as levers for the muscles?
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long bones
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what shape of bones glide across one another in multiple directions?
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short bones
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what shape of bones act as protectors for soft organs?
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flat bones
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this bone has compact and spongy bone, marrow cavity, articular cartilage & periosteum. what shape is this bone?
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long bone
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what is the diaphysis of a bone?
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shaft of long bone- (marrow/medullary cavity, lined with endosteum, osteogenic cells and connective tissue)
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what is epiphysis?
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the enlarged ends of long bone-spongy bone covered by compact- enlarged to strengthen joint and attch ligaments
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where is articular cartilage found?
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joint surface on the epiphysis
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what bone has a shaft covered with periosteum?
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long bone
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what has an outer fibrous layer of collagen and inner osteogenic layer of bone forming cells?
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periosteum
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what is the epiphyseal plate?
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growth plate
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what bone only has external & internal surfaces composed of compact bone with spongy bone in middle?
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flat bone
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what is an osteon?
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basic structural unit of compact bone
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what is lamelle?
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layers in matrix of compact bone
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what is connected to each other and their blood supply by tiny cell processes in canaliculi?
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osteocytes
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perforating canals are also known as?
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perforating canals
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what vascular canals perpendicularly join the central canals?
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volkmann canals
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where is red bone marrow found?
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in medullary cavity in long bone and among trabeculae in spongy bone
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what is hemopoitec?
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production of blood cells
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where is blood produced?
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red bone marrow
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where is red bone marrow found?
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vertebrae, ribs, sternum, pelvic girdle, & heads of femur & humerus
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where is yellow marrow found?
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in long bones. yellow marrow is fatty marrow in adults
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what is gelatinous marrow?
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yellow marry replaced with reddish jelly found in elderly people
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what bone disease is common in white women?
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osteoporosis
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what is common in black women?
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fibrous
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what is intramembranous ossification?
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production of flat bones of skull and clavicle
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why are women more prone to having osteoporosis than men?
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after menopause the loss of estrogen makes it harder to build bone
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what is endochondral ossification?
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bone that develops from preexisting model composed of hyaline cartilage
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how do most bones of the body develop?
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endochondral ossification
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what is achondroplastic?
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when long bones stop growing in childhood- dwarfism
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