Epithelium

usgb/ˌɛp.ɪˈθil.i.əm/
noun

A type of tissue that forms a protective layer on surfaces inside and outside the body.

The epithelium protects the underlying tissues from damage.
Visual representation of "epithelium" - A type of tissue that forms a protective layer on surfaces inside and outside the body.

Usage tips

Neutral

basal epithelium,stratified epithelium,squamous epithelium

Definition 1 of 2
Visual representation of "epithelium"
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Context

Understanding its role in organ systems can help you appreciate its importance

Illustration for Context
The epithelium lines organs such as the lungs and intestines.
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Colloquial Use

In everyday discussions, 'epithelium' may be used metaphorically to describe a protective boundary, not just in biology

Illustration for Colloquial Use
Think of the skin as a type of epithelium.
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Visual Learning

Many diagrams represent epithelial layers in organs, which can help you visually connect the concept

Illustration for Visual Learning
Visuals can clarify how epithelium comprises layers of cells.
Visual representation of the word "Epithelium"

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