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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

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]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

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.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
epitelvýstelka

epithelium

[ˌɛpɪˈθiːlɪəm] nepitelio
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

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.
English-Spanish Medical Dictionary © Farlex 2012
References in periodicals archive ?
They are postulated to originate from the congenital inclusion of ectoderm and mesoderm layers lined by stratified epithelium covered by laminated keratin material containing adnexal structures of the skin such as hair follicles, sebaceous and sweat glands, smooth muscle, and fibro-adipose tissue.
(14) observed an immature squamous stratified epithelium at the 14th week and fully mature one at the 21st week of development.
* Dentigerous (or follicular) cysts were diagnosed based on a stratified epithelium with more than one layer.
Histologically, there are three patterns: urethral type, lined with pseudostratified columnar epithelium; epidermoid type, lined with squamous stratified epithelium; and mixed type, which incorporates both types of epithelium.
Over the next days of incubation, epidermal cells feed the development of a highly organized, stratified epithelium comprising several layers.
Caption: Figure 4: Dermoid cyst with stratified epithelium with associated skin appendages like keratin lamellae and sebaceous glands (haematoxylin and eosin staining).