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24 Cards in this Set
- Front
- Back
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Collagen Fibers
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in the mineral matrix give toughness and flexibility to bone
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Intramembranous Ossification
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forms inside a membrane and grow peripherally. ex: cranial bones, mandible and clavicle
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Ossification Center
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form in the epiphyses leaving a cartilage band at the growth plate. Bones grow in length as the cartilage reproduces
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Osteoporosis
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too little mineralization of bones due to
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Irregular Bones
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no definable shape
ex: vertebra and facial bones |
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Sutural Bones
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form from the 2nd ossification center and lie in lambdoidal or sagittal suture
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osteobalst
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cells that actively produce and secrete the organic compounds of bone matrix
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sulcus
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a groove as though made by dragging a spoon tip
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foramen
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a hole through a bone, usually with smooth edges
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meatus
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a hole into but not through a bone. ie: ear hole
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fissure
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is an irregular crack, usually between 2 bones
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sinus
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is a cavity within bone, a completely sealed space
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process
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any projection from the surface of a bone, usually for muscle attachment, like a handle
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ramus
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is a brace
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trochanter
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exists only as one pair (greater and lesser) on the femur, very large projection
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tubercle
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smaller projection from a bone, usually somewhat rounded
ie: on a soda can, a tubercle would be the pull tab |
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tuberosity
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roughened result of muscle stress, like the texturing of a basketball
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crest
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an elevated ridge on a bone
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line
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small or sharp ridge, similar to a crest but less prominent
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head
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rounded projection on one end of a bone
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trochlea
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pulley like articulation into which something else fits
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condyle
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knuckle like projection which articulates with another bone
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spine
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is a pointy projection for muscle attachment
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styloid
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refers to a needle like projection, like a stylus on a record player
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