epithelium

(noun)

a membranous tissue composed of one or more layers of cells that forms the covering of most internal and external surfaces of the body and its organs (internally, the lining of vessels and other small cavities; externally, the skin)

Related Terms

  • nerve impulse
  • neurotransmitter

Examples of epithelium in the following topics:

  • The Ear

    • These inner-ear channels contain a sensory epithelium that is studded with hair cells.
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