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Muscle Tissue - Coggle Diagram
Muscle Tissue
Muscle:
A bundle of muscle fibers that have the power to contract and hence to produce movement.
Muscle Fascicle:
A bundle of axons in a nerve surrounded by the perineurium.
Muscle Fiber:
An alternate name for a skeletal muscle cell.
Myofibril:
performs muscle contraction
Myofilament:
regulators of contractions. forces production and motion.
Sarcomere:
composed of actin and myosin and is a contractile muscle fiber unit
A band:
striated muscle sarcomere that contains myosin thick filaments
H zone:
The zone of the thick filaments that has no actin
I band:
The zone of thin filaments that is not superimposed by thick filaments
Actin – light chain:
generate forces on the filaments to support muscle contraction.
Nebulin:
actin binding protein that may act as a regulator of thin filament length
M line:
attachment site for the thick filaments.
Myosin – heavy chain:
motor proteins that power smooth muscle contraction
Tropomyosin:
regulates muscle contraction and relaxation through its interactions with actin, myosin, and the troponin complex
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Titin:
gives elastic stabilization of relative positions of myosin and actin filaments
Dystrophin:
part of a protein complex that strengthens muscle fibers and protect them from injury as muscles contract and relax
ATP :
energy carrying molecule that captures chemical energy obtained from the breakdown of food molecules and transfers it to cellular processes. Binding to Myosin thick filaments to produce power stroke.
Endomysium:
The connective tissue covering an individual muscle fiber.
Sarcoplasmic Reticulum:
The specialized smooth endoplasmic reticulum of a muscle fiber that stores calcium ions.
Sarcolemma:
acts as a barrier between the extracellular and intracellular compartments
T-Tubule:
role is to maintain the SR calcium store under the tight control of membrane depolarization via the voltage sensor channel
Sarcoplasm:
Cytoplasm of a muscle fiber that suspends necessary factors to muscles
Perimysium:
The connective tissue covering around a fascicle.
Epimysium:
The connective tissue covering on the outside of a whole muscle.