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Bolvin-AnatomyCh8A
Review material for the first muscle practical
| Question | Answer |
|---|---|
| another name for muscle cells | fibers |
| thick filament that makes up stationary part of the sarcromere | myosin |
| neurotransmitter that travels across the synaptic cleft to the muscle fiber | acetyl choline |
| plasma membrane of a muscle cell | sarcolemma |
| outer connective tissue covering of a muscle, wraps many fascicles together | epimysium |
| broad fibrous sheet of connective tissue that links 2 muscles together | aponeuroses |
| connective tissue that covers each individual muscle fiber | endomysium |
| contractile unit of the muscle | sarcomere |
| electrical current that passes over the surface of the muscle when enough ACh binds to receptors | action potential |
| type of muscle that is characterized by intercalated discs for communication | cardiac |
| membrane that wraps several muscle fibers together in a fascicle | perimysium |
| connective tissue structure that attaches a muscle to a bone | tendon |
| thin filament that moves in the sarcomere | actin |
| thread like organelle found only in muscle cells that are made up of actin and myosin | myofibril |
| bundles of muscle fibers wrapped in connective tissue | fascicle |
| organelle found in muscle cells that stores and releases calcium during muscle contraction | sarcoplasmic reticulum |