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epithelium

epithelium

2 9.1
A thin layer of cells that covers body surfaces and lines organs
  • noun
  • /ˌɛpɪˈθiliəm/
  • Specialized
translation icon : epitelio
  • According to the histopathologic analysis, the cyst was lined with pseudostratified ciliated columnar epithelium, predominantly and focally squamous epithelium.
  • squamous epithelium
  • surface epithelium
  • columnar epithelium

In addition, you also have a gradient from the host surface epithelium out to the middle of the gut.

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Examples

  • Histologic analysis identified a thickened squamous epithelium with no evidence of any malignancy.

    Academic text (2005)
  • A slowed metabolism of the retinal epithelium can cause age-related macular degeneration.

    Academic text (1998)
  • What you see is a change from the squamous epithelium shown on the left.

  • Significant peptic injury to laryngeal epithelium has been reported in patients whose pH level was 5.0.

    Academic text (2002)
  • Infiltration of the surface epithelium may give the tumor an ulcerated appearance, but central necrosis is rare.

    Academic text (2006)
  • However, involvement of the respiratory epithelium distal to the larynx has been sporadically reported.

    Academic text (1996)
  • No pulsations, bruits, or thrills are present, and the overlying epithelium is of normal temperature.

    Academic text (1998)
  • In half of these cases, histology revealed squamous epithelium and cartilage with a mixed pattern of ectoderm and mesoderm.

    Academic text (1998)
  • The rest of the subepidermal area beneath the squamous epithelium showed normal dermis, adnexa, and subcutaneous tissue.

    Academic text (2007)
  • The epithelium of the lungs plays a crucial role in gas exchange.

Synonyms

tunica
vsepithelium
  • Specialized
1 9.9

A thin layer of body tissue that covers an organ or blood vessel

is the layer that specifically forms outer surfaces and lines cavities
epithelial tissue
vsepithelium
  • Specialized
4.3

A thin layer of cells that covers body surfaces and lines internal organs and cavities

is the single-word form for the same membranous tissue
tissue layer
vsepithelium
  • Specialized
4.2

A thin sheet of cells that covers and joins parts of plants and animals

is the narrower, membranous outer layer found on animal organs

Surface Forms

epithelium singular
epithelia plural

Etymology

Epithelium comes from Greek parts epi- 'on' and thele 'nipple', where 'nipple' was used for a small bump on a surface. So epithelium is the thin layer of tissue that sits 'on' the body's surfaces and lines organs to protect what is underneath.