Ch. 5 Vocab
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What are the functions of the bone? | 1. SUPPORT
2. PROTECTION
3. MOVEMENT
4. STORAGE
5. BLOOD CELL FORMATION
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| Classification of the bone (tissue and groups) | - compact bone: dense & smooth, but under a microscope there are many tiny passages for nerves & blood vessels
- spongy bone: spongy in appearance; many open spaces
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| What are the two subdivisions of the skeleton? | - axial skeleton: trunk of the body
- appendicular skeleton: attachments of the axial
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| proximal epiphysis | - end of long bone closest to the point of attachment
- composed of mostly spongy bone enclosed by a thin layer of compact bone
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| diaphysis | - shaft of the long bone
- composed of compact bone
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| distal epiphysis | - end of long bone furthest from point of attachment
- composed of mostly spongy bone enclosed by thin layer of compact bone
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| articular cartilage | - covers external surface
- made of hyaline (glassy, transparent) cartilage
- decreases friction at joint surfaces
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| spongy bone | - composed of small needle like pieces of bone and lots of open space
- spongy look
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| epiphyseal line | - remnant of the epiphyseal plate
- seen in adult bones
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| periosteum | - outside covering of the diaphysis
- perforating (Sharpey's) fibers secure periosteum to underlying bone
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| compact bone | - dense and looks smooth
- under microscope there are many tiny passages for nerves and blood vessels
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| medullary cavity | - cavity of the shaft, primarily a storage are for the adipose (fat) tissue
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| endosteum | - a delicate connective tissue lining
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| yellow bone marrow | - adipose (fat) tissue, stored in medullary cavity
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| perforating (Sharpey's) fibers | - connective tissue fibers that secure the periosteum to the underlying bone
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| nutrient arteries | - arteries used to give nutrients to the bone
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