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muscle tissue
study guide
| Term | Definition |
|---|---|
| three types of muscle | skeletal, cardiac, and smooth |
| Epimysium | a sheath of fibrous elastic tissue surrounding a muscle |
| Fascicle | bundle of structures, such as muscle fibers |
| Perimysium | sheath of connective tissue surrounding a muscle fiber bundle |
| Endomysium | network of connective tissues that surround individual muscle fibers |
| Sarcolemma | transparent sheath enveloping the fibers of skeletal muscles |
| Sarcoplasm | cytoplasm of striated muscle cells |
| Actin Filaments | THIN (5 nm) tube that provides mechanical support for movement |
| Myosin Filaments | THICK (15 nm) tube that provides the ability for contraction |
| Zones of the Sarcomere | H-Zone, A-band, I-band, M line, Z line |
| Location of Skeletal muscles | bones |
| Location of Smooth muscles | internal structures such as digestive tract, uterus, and blood vessels such as arteries |
| Location of Cardiac muscles | inside and on the surface of the heart |