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receptor

Pronunciation: re-sep'tor, tor

Definition:

  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]

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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