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Stack #272571
| Question | Answer |
|---|---|
| ability of a muscle to shorten with force | contractibility |
| capacity of muscle to respond to a stimuli | excitability |
| muscle can be stretchedd to its normal resting length and beyond to a limited degree | extensibility |
| ability of muscle to recoil to original resting length after stretched | elasticity |
| cell membrane of a muscle cell | sarcolemma |
| cytoplasm within the muscle cell | sarcoplasm |
| membranous network of channels and tubules within the muscle fiber, corresponding to the endoplasmic reticulum of other cells | sarcoplasmic reticulum |
| contractile figers within muscle cells | myofibril |
| the strucutral and functional unit of myofibril | sarcomere |
| the pigmented comound in muscle tissue that stores oxygen | myoglobin |
| when a typical skeletal muscle is teased apart and viewd microscopically, it can be seen to consist of many elongated, cylindrical cells called ________ | muscle fibers |
| 1 muscle fiber= | 1 skeletal muscle cell |
| membranous channel that extends inward from a muscle fibe membrane and passes through the fiber | transverse tubule |
| consists of a T-tubule and the segments of sarcoplasmic reticulum on either side | triad |
| fibrous connective tissue that separates each muscle fiber in skeletal muscle | endomysium |
| skeletal muscle is composed of | muscle cells, connective tissue, blood vessels, nerves |
| skeletal muscle fibers are ____ | long, cylindrical, multinucleated |
| length of skeletal muscle | 1mm-4cm |
| skeletal muscle develops from ____, numbers remain ____ | myoblast, constant |
| connective tissue sheet | fascia |
| forms layer under the skin | fascia |
| holds muscles together and separates them into functional grps | fascia |
| carries nerves, blood vessels and lymphatics | fascia |
| continuous with connective tissue of tendons and periosteum | fascia |
| ___-->___-->___-->____-->____ | muscle, fascicle, muscle fiber, myofibrils, thick and thin filaments |
| connective tissue covering muscles provide ___, sites for distribution of ___ and ___, and a means of ___ to skeleton | protection, blood vessels, neurons, attatchment |
Created by:
rchil967
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