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| pertaining to limbs or part appended to another |
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| system of the body dealin with articulations |
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| functions of the skeletal system |
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| 1. support, gives shape to the body 2. manufactures blood cells in red bone marrow 3. protects vital and delicate organs 4. stores calcium and phosphorus (doesn't produce) |
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| embedded in tendon or capsule; patella, big toe (hallux) |
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| illium, ribs, cranial bones |
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| femur, humerous, fibula, ulna, tibia, radius, phlanges |
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| sphenoid, coccyx, mandible,sacrum |
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| materials that make up the composition of the bones |
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| 1. inorganic salts(calcium and phosphorus), organic salts, water |
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| a large, rounded projection |
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| a hollow or depression (temporal bone) |
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| may be red or yellow; soft tissue in the hollows of long bones |
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| wide part at the extremity of the shaft of a long bone that supports the epiphysis |
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| characteristics of bone marrow |
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Definition
| 1. manufactures rbc's, wbc's and platelets 2. consists of two type: red bone marrow and yellow bone marrow 3. in adulthood, red marrow is contained in only a few locations such as diploe, ribs, sternum, and vertebral bodies. (yellow=fatty connective) |
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| parts of appendicular skeleton |
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Definition
| 1. are attached to the axis as appendages 2. composed of 126 bones 3. consist of the shoulder and pelvic girdles, and the upper and lower extremities |
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Definition
| 1. composed of 80 bones 2. forms the upright part or axis of the body 3. consists of hyoid, the skull, vertebral column, ribs and sternum |
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| characteristics of ribs and the sternum |
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Definition
| 1. form the thoracic cavity 2. 12 pairs of ribs 3. upper 7 pair are called "true ribs" 4. "true ribs" are attached to the sternum by costal cartliages 5. the lower 5 pair of ribs are called "false ribs" 6. "false ribs" don't attach to sternum directly 7. the lower 2 pair of false ribs do not attach at all, and are called "floating ribs" 8. the upper 3 pair of false ribs attach to the seventh costal cartilage |
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| menubrium (highest) gladiolus (middle) xiphoid (lowest) |
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| the round-shaped head fits into a concave socket; provides the widest range of motion, wth movement in all planes in addition to rotation; hip and femur, humerus and glenoid cavity of scapula (shoulder joint) |
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| a conves surface fits into a concavity; has an angular movement in one direction, like a door; knee joint, elbow joint, and finger joint |
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| a pivot-like process rotates within a bony fossa around a longitudinal axis; motion is limited to uniaxial rotation; articulation between axia and atlas for rotation of head |
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| oval-shaped condyloid fits into an eliptical cavity; motion is possible in 2 planes-right angles to each other; wrist |
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| articular surface of each bone is concave in one direction and convex in another; movement possible in 2 directions; joint between carps and thumb metacarpals |
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| articular surfaces are flat, or slightly concave, and the other slightly conves; permis a nonaxial gliding movement only; joints between carpas and between tarsals |
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