Muscular system



muscular system n.
All the muscles of the body collectively, especially the voluntary skeletal muscles.

The system in the body composed of muscle cells and tissues that brings about movement of an organ or body part. There are three kinds of muscle: skeletal muscle, which is attached to bones and allows the voluntary movement of limbs; smooth muscle, which is found in internal organs and aids in the involuntary movements that occur in the circulatory, digestive, excretory, reproductive, and respiratory systems; and cardiac muscle, which forms the powerful walls of the heart. (See illustrations, previous two pages.)

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  • Muscular triangle

    muscular triangle n. The triangle bounded by the sternocleidomastoid muscle, by the superior belly of the omohyoid muscle, and by the anterior midline of the neck, and occupied by the infrahyoid muscles.

  • Musculature

    [muhs-kyuh-luh-cher, -choo r] /ˈmʌs kyə lə tʃər, -ˌtʃʊər/ noun 1. the system of the body or of its parts. /ˈmʌskjʊlətʃə/ noun 1. the arrangement of muscles in an organ or part 2. the total muscular system of an organism n. “system of muscles,” 1875, from French musculature, from Latin musculus (see muscle (n.)). musculature mus·cu·la·ture […]



  • Musculo-

    1. a combining form representing muscle, in compound words: musculoskeletal. word-forming element meaning “involving or pertaining to muscles,” from comb. form of Latin musculus “muscle” (see muscle (n.)).

  • Musculoaponeurotic

    musculoaponeurotic mus·cu·lo·ap·o·neu·rot·ic (mŭs’kyə-lō-āp’ə-nu-rŏt’ĭk, -nyu-) adj. Relating to a muscle and its aponeurosis of origin or insertion.



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