Epithelial
[ep-uh-thee-lee-uh m] /ˌɛp əˈθi li əm/
noun, plural epitheliums, epithelia
[ep-uh-thee-lee-uh] /ˌɛp əˈθi li ə/ (Show IPA). Biology.
1.
any animal tissue that covers a surface, or lines a cavity or the like, and that, in addition, performs any of various secretory, transporting, or regulatory functions.
/ˌɛpɪˈθiːlɪəm/
noun (pl) -liums, -lia (-lɪə)
1.
an animal tissue consisting of one or more layers of closely packed cells covering the external and internal surfaces of the body. The cells vary in structure according to their function, which may be protective, secretory, or absorptive
n.
1748, Modern Latin (Frederick Ruysch), from Greek epi “upon” (see epi-) + thele “teat, nipple” (see fecund). Related: Epithelial.
epithelium ep·i·the·li·um (ěp’ə-thē’lē-əm)
n. pl. ep·i·the·li·ums or ep·i·the·li·a (-lē-ə)
Membranous tissue composed of one or more layers of cells separated by very little intercellular substance and forming the covering of most internal and external surfaces of the body and its organs.
ep’i·the’li·al adj.
epithelium
(ěp’ə-thē’lē-əm)
Plural epithelia
The thin, membranous tissue that lines most of the internal and external surfaces of an animal’s body. Epithelium is composed of one or more layers of densely packed cells. In vertebrates, it lines the outer layer of the skin (epidermis), the surface of most body cavities, and the lumen of fluid-filled organs, such as the gut or intestine.
epithelial adjective
Read Also:
- Epithelialising
[ep-uh-thee-lee-uh-lahyz] /ˌɛp əˈθi li əˌlaɪz/ verb (used with or without object), epithelialized, epithelializing. 1. to form a covering of epithelial cells over, as a wound. epithelialize ep·i·the·li·al·ize (ěp’ə-thē’lē-ə-līz’) or ep·i·the·lize (-thē’līz) v. ep·i·the·li·al·ized or ep·i·the·lized, ep·i·the·li·al·iz·ing or ep·i·the·liz·ing, ep·i·the·li·al·iz·es or ep·i·the·liz·es To become covered with epithelial tissue, as of a wound.
- Epithelialization
[ep-uh-thee-lee-uh-lahyz] /ˌɛp əˈθi li əˌlaɪz/ verb (used with or without object), epithelialized, epithelializing. 1. to form a covering of epithelial cells over, as a wound. epithelialization ep·i·the·li·al·i·za·tion (ěp’ə-thē’lē-ə-lĭ-zā’shən) or ep·i·the·li·za·tion (-thē’lĭ-zā’shən) n. The process of covering a denuded surface with epithelium. epithelialize ep·i·the·li·al·ize (ěp’ə-thē’lē-ə-līz’) or ep·i·the·lize (-thē’līz) v. ep·i·the·li·al·ized or ep·i·the·lized, ep·i·the·li·al·iz·ing or ep·i·the·liz·ing, ep·i·the·li·al·iz·es […]
- Epithelialize
[ep-uh-thee-lee-uh-lahyz] /ˌɛp əˈθi li əˌlaɪz/ verb (used with or without object), epithelialized, epithelializing. 1. to form a covering of epithelial cells over, as a wound. epithelialize ep·i·the·li·al·ize (ěp’ə-thē’lē-ə-līz’) or ep·i·the·lize (-thē’līz) v. ep·i·the·li·al·ized or ep·i·the·lized, ep·i·the·li·al·iz·ing or ep·i·the·liz·ing, ep·i·the·li·al·iz·es or ep·i·the·liz·es To become covered with epithelial tissue, as of a wound.
- Epithelial lamina
epithelial lamina n. The layer of modified ependymal cells that forms the inner layer of the choroid tela, facing the ventricle.
- Epithelial-pearl
noun, Pathology. 1. 1 (def 8). [purl] /pɜrl/ noun 1. a smooth, rounded bead formed within the shells of certain mollusks and composed of the mineral aragonite or calcite in a matrix, deposited in concentric layers as a protective coating around an irritating foreign object: valued as a gem when lustrous and finely colored. Compare […]