| umls-concept:C1267092 | skos:definition | MSH: Unstriated and unstriped muscle, one of the muscles of the internal organs, blood vessels, hair follicles, etc. Contractile elements are elongated, usually spindle-shaped cells with centrally located nuclei. Smooth muscle fibers are bound together into sheets or bundles by reticular fibers and frequently elastic nets are also abundant. (From Stedman, 25th ed),CSP: nonstriated involuntary muscle; one of the muscles of the internal organs, blood vessels, hair follicles, etc; contractile elements are elongated, usually spindle-shaped cells with centrally located nuclei.,FMA: Tissue which consists of smooth muscle fibers surrounded by a reticulum of collagen and elastic fibers. Examples: Arrector muscle of hair, Muscularis mucosae.,NCI: Involuntary muscle tissue of the internal organs. It is composed of elongated muscle cells or fibers that are not arranged in a striated pattern and form layers of muscle tissue. The smooth muscle cells contain a contractile apparatus composed of thin and thick filaments and | lld:umls |
