myoepithelial cells

myoepithelial cells
modified smooth muscle cells, contractile in nature, believed to be of ectodermal origin, located around the secretory units of certain glands (salivary, mammary, sweat, and lacrimal glands) between the gland cells and basement membrane, having long dendritic interweaving cytoplasmic processes, and containing myofilaments. It is assumed that contraction of these cells functions to help express secretion from the gland. Called also basket c's.

Medical dictionary. 2011.

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  • Myoepithelial cells — (sometimes referred to as Myoepithelium) are cells usually found in glandular epithelium as a thin layer above the basement membrane but generally beneath the lumenal cells. These may be positive for alpha smooth muscle actin and can contract and …   Wikipedia

  • Myoepithelial cell — Latin myoepitheliocytus Code TH H2.00.02.0.03059 Myoepithelial cells (sometimes referred to as Myoepithelium) are cells usually found in glandular epithelium as a thin layer above the basement membrane but generally beneath the …   Wikipedia

  • Myoepithelial — My o*ep i*the li*al, a. [Myo + epithelial.] 1. (Biol.) Derived from epithelial cells and destined to become a part of the muscular system; applied to structural elements in certain embryonic forms. [1913 Webster] 2. (Zo[ o]l.) Having the… …   The Collaborative International Dictionary of English

  • myoepithelial — Relating to myoepithelium. * * * myo·epi·the·li·al .ep ə thē lē əl adj of, relating to, or being large contractile cells of epithelial origin which are located at the base of the secretory cells of various glands (as the salivary and mammary… …   Medical dictionary

  • myoepithelial — “+ adjective Etymology: my + epithelial : of, relating to, or being large stellate cells that are associated with the secretory cells of the salivary glands or the alveolae of some other glands and are believed to play a mechanical role in… …   Useful english dictionary

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  • carcinoma — Any of various types of malignant neoplasm derived from epithelial cells, chiefly glandular (adenocarcinoma) or squamous (squamous cell c.); the most commonly occurring kind of cancer. [G. karkinoma, fr. karkinos, cancer, + oma, tumor] Like other …   Medical dictionary

  • myoepithelium — Spindle shaped, contractile, smooth musclelike cells of epithelial origin that are arranged longitudinally or obliquely around sweat glands and the secretory alveoli of the mammary gland; stellate myoepithelial cells occur around lacrimal and… …   Medical dictionary

  • Sweat gland — Infobox Anatomy Name = PAGENAME Latin = GraySubject = GrayPage = Caption2 = Cross section of all skin layers. Sweat gland is labeled at center. Precursor = System = Artery = Vein = Nerve = Lymph = MeshName = Sweat+glands MeshNumber = DorlandsPre …   Wikipedia

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