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epithelium

epithelium

2 9.1
A thin layer of cells that covers body surfaces and lines organs
  • noun
  • /ˌɛpɪˈθiliəm/
  • Specialized
: 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
tissue layer
vsepithelium
  • Specialized
1 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
epithelial tissue
vsepithelium
  • Specialized
1 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

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.