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4.2 Vocabulary- Muscles

Across
Nerve cells that carry impulses towards the central nervous system
To shorten and thicken
An organ specialized for contraction, composed of striated muscle fibers (cells), supported by connective tissue, attached to bone by a tendon or aponeurosis, and stimulated by somatic motor neurons
The contractile protein that makes up the thick filaments of muscle fibers
A protein of muscle that forms a complex with troponin regulating the interaction of actin and myosin in muscular contraction
The attachment of a muscle tendon to a moveable bone or the end opposite the origin
The explanation of how thick and thin filaments slide relative to one another during striated muscle contraction to decrease sarcomere length
A protein of muscle that together with tropomyosin forms a regulatory protein complex controlling the interaction of actin and myosin and that when combined with calcium ions permits muscular contraction
A tissue specialized for contraction, composed of smooth muscle fibers (cells), located in the walls of hollow internal organs, and innervated by the autonomic motor neurons
The attachment of a muscle tendon to a stationary bone or the end opposite the insertion
A cordlike bundle of neuronal axons and/or dendrites and associated connective tissue coursing together outside the central nervous system
The connective-tissue sheath that surrounds a muscle and forms sheaths for the bundles of muscle fibers
Any of the repeating structural units of striated muscle fibrils
Down
A condition caused by compression of the median nerve in the carpal tunnel and characterized especially by weakness, pain, and disturbances of sensation in the hand and fingers
An organ composed of one of the three types of muscular tissue (skeletal, cardiac, and smooth), specialized for contraction to produce voluntary and involuntary movements of parts of the body
Temporary rigidity of muscles occurring after death
Nerve cells that conduct impulses away from the central nervous system
Striated muscle fibers (cells) that form the wall of the heart; stimulated by the intrinsic conduction system and autonomic motor neurons
Any of the alternate dark and light cross bands of a myofibril of striated muscle
A threadlike structure, extending longitudinally through a muscle fiber (cell) consisting mainly of think filaments (myosin) and thin filaments (actin, troponin, and tropomyosin)
The delicate connective tissue surrounding the individual muscular fibers within the smallest bundles
The external connective-tissue sheath of a muscle
A contractile protein that is part of the thin filaments in muscle fibers
A small bundle or cluster, especially of nerve or muscle fibers
Network of interlacing blood vessels or nerves