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39 Cards in this Set
- Front
- Back
growth accomplished by the addition of new layers onto hose perviously formed
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appositional growth
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any o the fibrous bands extending from the capsule into the interior of an organ
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trabecula
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strut or thin plate of bone in spongy bone
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trabecula
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blood cell formation
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hematopoiesis
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connective tissue that forms the bony skeleton
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bone
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aka ossification
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osteogenesis
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process of bone formation
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osteogenesis
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bone forming cells
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osteoblasts
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mature bone cell
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osteocytes
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system of interconnecting canals in the microscopic structure of adult compact bone
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osteon
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aka osteon
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haversian system
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small space, cavity, or depression
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lacunae
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__ in bone or cartilage are occupied by cells
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lacunae
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a layer, such as of bone matrix in an osteon of compact bone
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lamella
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a break in a bone
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fracture
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extremely small tubular passage or channel
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canaliculi
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the number of ones in the adult skeleton
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206
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bone fragments into 3 or more pieces
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comminuted
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fracture common in the aged, whose bones are more brittle
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comminuted
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bone is crushed
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compression
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common in porous bones subjected to extreme trauma, as in a fall
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compression
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ragged break occurs when excessive wisting forces are applied to a bone
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spiral
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common sports fracture
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spiral
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epiphysis separates from the diaphysis along the epiphyseal plate
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epiphyseal
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btends to occure where cartilage cells are dying and calcification of the matrix is occuring
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epiphyseal
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broken bone portion is pressed inward
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depressed
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typical of skull fracture
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depressed
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bone breaks incompletely
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greenstick
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common in children
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greenstick
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when the bone is inadequately mineralized
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osteomalacia
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osteoid is produced but Ca salts are not deposited softening the bone
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osteomalacia
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analogous disease in children
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rickets
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caused by insufficient Ca in the diet or by a vit. D deficiency
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rickets
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excessive and haphazard bone deposit and resorption
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pagets disease
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a group of diseases in which bone resorption outpaces bone deposit
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osteoporosis
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when the bones become so brittle and weak that a sneeze can break them
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osteoporosis
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occurs mainly in the aged and postmenopausal women
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osteoporosis
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the long bones contain:
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diaphysis, epiphyses, membranes
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consist of thin plates or periosteum-covered compact bone (outside) and endosteu-covered spongy bone within
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short, irregular, and flat bones
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