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Terms in this set (19)
Smooth and skeletal muscle fibers are elongated.
Filaments that constitutes myofibrils of two types: actin and myosin.
The longest of the muscle cell types, have obvious stripes called striations can be controlled voluntarily.
Occurs only in the heart and constitute the bulk of the heart walls.
Found in the walls of hollow visceral organism such as the stomach, urinary bladder and respiratory passages.
An overcoat of dense irregular connective tissue surrounds the whole muscle.
Muscle fibers are grouped into fascicles surrounded by a layer of fibrous connective tissue called Endomysium.
Each muscle fiber is surrounded by a fine sheath of connective tissue made of reticular fiber.
When a muscle contracts the movable bone, the muscle insertion moves toward the immovable or less movable bone.
The less movable bone where the muscle moves the more movable bone.
The plasma membrane of the muscle cell.
Similar to the cytoplasm of other cells.
A unique red pigment that stores oxygen with the muscle cell.
The thickest filament of the myofilaments.
Linking the thick and thin myofilaments.
The thinnest filament of myofilaments.
A three-polypeptide complex found in the thin filament.
An elaborate smooth endoplasmic reticulum surrounding each myofibril like the sleeve of a loosely crocheted sweater surrounds your arms.
A rod shaped protein that spirals around the actin core.
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