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68wm6 A & P 2
skeletal and muscular
| Question | Answer |
|---|---|
| Abduction | movement of a body part away from the midline |
| Adduction | movement of body part toward the midline |
| Articular cartilage | hyaline cartilage that covers ends of bones in synovial joints |
| Circumduction | movement of a body part, such as a limb, so that the end follows a circular path |
| Compact bone | dense tissue in which cells are organized in osteons (haversian system) with no spaces |
| Condyle | a rounded process of a bone, usually forming a joint |
| Crest | a ridgelike projection of a bone |
| Diaphysis | the shaft of a long bone |
| Endochondral bones | bone that begins as hyaline cartilage that is subsequently replaced by bone tissue |
| Endosteum | tissue lining the medullary cavity within a bone |
| Epicondyle | a projection of bone above a condyle |
| Epiphyseal plate | cartilaginous layer within the long bone epiphysis that grows |
| Epiphyses | the end of a long bone |
| Extension | movement increasing the angle between parts at a joint |
| Flexion | bending at a joint that decreases the angle between bones |
| Fontanel | membranous region between certain cranial bones in the skull of a fetus or infant |
| Foramen | an opening, usually in a bone or membrane |
| Hematopoiesis | the production of blood cells from dividing stem and progenitor cells |
| Intramembranous bones | bone that forms from membrane like layers of primitive connective tissues |
| Marrow | connective tissue in spaces within bones that includes blood-forming stem and progenitor cells |
| Medullary cavity | a cavity containing marrow within the diaphysis of a long bone |
| Osteoclasts | a cell that erodes bone |
| Osteocytes | a mature bone cell |
| Osteoblasts | a bone-forming cell |
| Periosteum | a fibrous connective tissue covering on the surface of a bone |
| Process | a prominent bone projection |
| Pronation | turning the palm of the hand downward while the forearm is parallel to the ground |
| Protraction | a forward movement of a body part |
| Retraction | movement of a part toward the back |
| Rotation | movement turning a body part on its longitudinal axis |
| Sinus | a cavity or space in a bone, or other body part |
| Spongy bone | bone that consists of bars and plates separated by irregular spaces; cancellous boneGG |
| Supination | turning the palm of the hand upward while the forearm is parallel to the ground |
| Suture | an immovable joint |
| Actin | contractile protein found in the thin myofilaments of skeletal muscle |
| All or None | when stimulated, a muscle fiber will contract fully or not at all; whether a contraction occurs depends on whether the stimulus reaches the required threshold |
| Antagonist | those having opposing actions; for example, muscles that flex the upper arm are antagonists to muscles that extend it |
| Aponeuroses | broad fibrous sheets of connective tissue |
| Atrophy | wasting away of tissue |
| Bursa | saclike, fluid-filled structure, lined with synovial membrane,near a joint |
| Hypertrophy | increase in size, structure, or function |
| Isometric | type of muscle contraction in which muscle does not shorten, no movement |
| Isotonic | of the same tension or pressure, movement |
| Sacromere | contractile unit of muscle; length of a myofibril between two Z bands |
| Synergist | muscle that assist the prime mover |
| Tenosynovitis | inflammation of the tendon sheath |
Created by:
jason.flora
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