Term
| How many bones are in the skeletal system? |
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Definition
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Term
| Axial skeleton has how many bones? |
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Definition
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Term
| Appendicular skeleton has how many bones? |
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Definition
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Term
| Axial skeleton are bones of the ___, ___,___, and form ___? |
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Definition
-Bones of skull, thorax, and vertebral column
-Form longitudinal axis of body |
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Term
| Apendicular skeleton form bones of the ___? |
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Definition
| Bones of the limbs and girdles that attach them to the axial skeleton |
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Term
| Skeletal system is composed of ___,___,___,and ___? |
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Definition
Bones,Cartilages,
Ligaments and other connective tissues |
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Term
| Five functions of the skeletal system- |
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Definition
| Support, storage of minerals,blood cell production,protection, leverage |
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Term
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Definition
-Thin, roughly parallel surfaces
-Examples: cranial bones, sternum |
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Term
| Sutural bones (Wormian bones) |
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Definition
-Irregular bones formed between cranial bones
-Number, size, and shape vary |
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Term
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Definition
-Relatively long and slender
-Examples: various bones of the limbs |
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Term
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Definition
Complex shapes
Examples: vertebrae, bones of pelvis, facial bones |
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Term
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Definition
-Small, flat, and somewhat shaped like sesame seed
-Develop in tendons of knee, hands, and feet
-Individual variation in location and number |
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Term
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Definition
-Small and boxy
-Examples: bones of the wrist (carpals) and ankles (tarsals) |
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Term
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Definition
-Canal or meatus (large passageway)
-Process (projection or bump)
-Sinus (chamber within bone, usually filled with air)
-Foramen (small rounded passageway)
-Fissure (elongated cleft or gap) |
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Term
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Definition
-Head (expanded proximal end that forms part of joint)
-Tubercle (small, rounded projection)
-Sulcus (deep, narrow groove)
-Tuberosity (small, rough projection; may occupy broad area)
-Diaphysis (shaft; elongated body)
-Trochlea (smooth, grooved articular process)
-Condyle (smooth, rounded articular process) |
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Term
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Definition
-Trochanter (large, rough projection)
Head
-Neck (narrow connection between head and diaphysis)
-Diaphysis
-Facet (small, flat articular surface)
-Condyle |
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Term
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Definition
-Crest (prominent ridge)
-Fossa (shallow depression or recess)
-Line (low ridge; more delicate than crest)
-Spine (pointed or narrow process)
-Ramus (extension that makes angle with rest of structure) |
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Term
| Long bone features (five) |
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Definition
-Epiphysis (expanded ends)
-Outer covering of compact bone
-Articular cartilage
-Metaphysis (connects epiphysis to shaft)
-Diaphysis (shaft) |
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Term
| medullary cavity (marrow cavity) |
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Definition
-Filled with marrow
-Red bone marrow (red blood cell production)
-Yellow bone marrow (adipose storage) |
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Term
| Epiphysis (expanded ends) |
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Definition
-Consist largely of spongy bone (trabecular bone)
-Network of struts and plates
-Resists forces from various directions and directs body weight to diaphysis and joints |
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