A & P Word Scramble
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Question | Answer |
Excitability | receiving and responding to stimuli |
Contractility | force generated to shorten and thicken |
Extensibility | ability of muscles to be streched |
Elasticity | Ability of muscle to return to original state |
Sarkos | Flesh |
Mys | Muscle |
Fascia | surrounds and separates each muscle; underlies skin penetrating and separating mucles |
Aponeurosis | Broad fibrous tissue; attaches muscle to bone or muscle to muscle; |
Sarcolemma | cell membrane |
T Tubules | Invaginations that extend from sarcolemma through the muscle fiber |
Sarcoplasmic Reticulum | Smooth ER; Stores Ca+ ions |
Myofilaments | Thin-Actin-light; Thick-Myosin-dark the striations of the cell |
Sarcomere | structural and functional unit of a muscle; separated by Z-lines |
Z-Lines | Segment of myofibrils between |
Proteins of the muscle | Actin, myosin |
Difference between tendon and Aponeurosis | Aponeurosis is broad....obliques and abdominals |
Muscle fibers | cylindrical ells composing of fibers |
Z-line to Z-line | Sarcomere |
Myosin-binding site | structure of actin molecules that interacts w/ crossbridge of myosin |
Tropomyosin-Troponin | Proteins of actin molecule which are involved in muscle contractions |
Cross bridge | where they touch together the actin and myosin |
Motor Unit | one motor neuron and all muscle fibers that it is attached to |
Motor End Plate | high concentration of muscle fibers mitochondria and nuclei |
Sliding filament theory | myocin and actin completing the connection for contraction |
Threshold stimulus | All or none...either muscle contracts or doesn't |
Tetanus | sustained contractions as a result of continuous stimuli |
Treppe | tension increases after each contraction |
Tetany kinds of | complete and incomplete, Treppe |
Isotonic | Shortening of muscle with the movement of the body part |
Hypertrophy | Muscles get bigger |
Isometric | Minimum shortening of muscle with out moving |
Created by:
cborealis2
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