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Medical Dictionary

receptor

Pronunciation (rē-sep′tŏr, tōr)
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  1. A structural protein molecule on the cell surface or within the cytoplasm that binds to a specific factor, such as a drug, hormone, antigen, or neurotransmitter.
  2. Any one of the various sensory nerve endings in the skin, deep tissues, viscera, and special sense organs.

[L. receiver, fr. recipio, to receive]

WebMD Medical Reference from "Stedman's Medical Dictionary"

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