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Muscle
What is an epimysium?
Surrounds skeletal muscle and all fascicles in muscle.
What is a perimysium?
Surround individual fascicles and seperates muscle into small compartments.
What is a endonysium?
Surround individual muscle fiber.
What is a sarcolemma?
Cell membrane of a muscle fiber.
What is a sarcoplasm?
Cytoplasm of a muscle fiber.
What is myofibril?
Threads of protein inside the sarcoplasm.
What is myosin?
Thick protein filament inside a myofibril.
What is actin?
Thin protein filament inside a myofibril.
What is an i band?
Actin filaments.
What is a z line?
Protein to which actin binds.
What is a a band?
Region where myosin overlaps actin.
What is a sarcomere?
Unit of muscle from z-line to z-line.
What is a motor neuron?
Nerve cell that connects to muscle fiber.
What is a neuromuscular junction?
Connection between motor neuron and muscle fiber.
What is a neurotransmitter?
Chemicals that go from neuron to muscle fibers.
What is a motor unit?
Consists of motor neuron and a muscle fiber.