epithelium

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ep·i·the·li·um

 (ĕp′ə-thē′lē-əm)
n. pl. ep·i·the·li·a (-lē-ə) or ep·i·the·li·ums
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.

[New Latin epithēlium : epi- + Greek thēlē, nipple; see dhē(i)- in Indo-European roots.]

ep′i·the′li·al adj.

epithelium

(ˌɛpɪˈθiːlɪəm)
n, pl -liums or -lia (-lɪə)
(Anatomy) 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
[C18: New Latin, from epi- + Greek thēlē nipple]
ˌepiˈthelial adj

ep•i•the•li•um

(ˌɛp əˈθi li əm)

n., pl. -li•ums, -li•a (-li ə)
any tissue layer covering body surfaces or lining the internal surfaces of body cavities, tubes, and hollow organs.
[1740–50; < New Latin < Greek epi- epi- + thēl(ḗ) teat + New Latin -ium -ium2]

ep·i·the·li·um

(ĕp′ə-thē′lē-əm)
The thin, protective layer of cells that covers most of the outer surface of an animal body and lines the inner surface of many body parts. In vertebrate animals, the outer layer of the skin, called the epidermis, is composed of epithelium.

epithelium

1. A type of animal tissue that covers inner and outer surfaces.
2. The layer of cells covering the body’s surface and lining the alimentary canal and respiratory and urinary tracts.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.epithelium - membranous tissue covering internal organs and other internal surfaces of the bodyepithelium - membranous tissue covering internal organs and other internal surfaces of the body
endothelium - an epithelium of mesoblastic origin; a thin layer of flattened cells that lines the inside of some body cavities
mesothelium - epithelium originating in the embryonic mesoderm; lines the primordial body cavity
neuroepithelium - epithelium associated with special sense organs and containing sensory nerve endings
epithelial cell - one of the closely packed cells forming the epithelium
animal tissue - the tissue in the bodies of animals
decidua - the epithelial tissue of the endometrium
Translations
epitelvýstelka

epithelium

[ˌɛpɪˈθiːlɪəm] nepitelio

ep·i·the·li·um

n. L. epitelio, tejido que cubre las superficies expuestas e interiores del cuerpo;
ciliated ______ ciliado;
columnar ______ columnar;
cuboidal ______ cuboidal;
squamous ______ escamoso;
stratified ______ estratificado;
transitional ______ de transición, transicional.
References in periodicals archive ?
Profiling analysis of both cell types (undifferentiated and pseudostratified epithelium) showed some similarities between the expressions of several miRNA genes, suggesting their importance in the fundamental repair processes.
It has the characteristics of stratified or pseudostratified epithelium at the 4th week of development (7, 29), whereas pseudostratified epithelium at the 8th-20th week of development in human fetuses (30).
atrobronneus exhibited a pseudostratified epithelium. Bowen (1968) has reported the presence of a pseudostratified columnar epithelium in the midgut of Floridobolus penneri and Narceus gordanus, both Spirobolida.
In some sections the epithelium is modified like a pseudostratified epithelium (Fig.