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MUSC: Structure
Muscle structures and tissue types
| Question | Answer |
|---|---|
| Epimysium | a sheath of fibrous elastic tissue surrounding the entire muscle. |
| Perimysium | The connective tissue that surrounds fascicles (group of muscle fibers). |
| Muscle Fiber | muscle cell |
| Endomysium | Connective tissue surrounding a muscle fiber |
| Fascicle | bundle of muscle fibers |
| fascia | a band or sheet of fibrous connective tissue that covers, supports, and separates muscle |
| skeletal muscle cells | striated and multinucleated |
| smooth muscle cells | single, uninucleate; no striations |
| cardiac muscle cell | uninucleated, branched, striated |
| cardiac muscle function | as it contracts, it propels blood into the circulation; involuntary control |
| skeletal muscle function | voluntary movement; locomotion; manipulation of the environment; facial expression; voluntary control |
| smooth muscle function | involuntary movements of internal organs |