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The system in the body composed of muscle cells and tissues that bring about movement of an organ or part of the body.

Contributors in Muscular


transversus abdominis

Anatomy; Muscular

A muscle layer of the anterior and lateral abdominal wall which is deep to (layered below) the internal oblique muscle. It is thought to be a major muscle of the functional core of the human body, ...

rectus abdominis muscle

Anatomy; Muscular

A paired muscle running vertically on each side of the anterior wall of the human abdomen (and in some other animals). There are two parallel muscles, separated by a midline band of connective tissue ...


Anatomy; Muscular

A small and triangular muscle, anterior to the Rectus abdominis, and contained in the rectus sheath.


Anatomy; Muscular

Its function is to raise and lower the testes in order to regulate the temperature of the testes and promote spermatogenesis. Contraction may also occur during arousal which can prevent injury to the ...

quadratus lumborum muscle

Anatomy; Muscular

Irregular and quadrilateral in shape, and broader below than above.

iliococcygeus muscle

Anatomy; Muscular

Arising from the inner side of the ischium and from the posterior part of the tendinous arch of the obturator fascia, and is attached to the coccyx and anococcygeal raphé; it is usually thin, and may ...

pubococcygeus muscle

Anatomy; Muscular

A hammock-like muscle, found in both sexes, that stretches from the pubic bone to the coccyx (tail bone) forming the floor of the pelvic cavity and supporting the pelvic organs. It is part of the ...

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