Dictionary.com
definitions

exteroceptor

[ek-ster-uh-sep-ter]
noun Physiology.
  1. a receptor responding to stimuli originating outside the body.

Origin of exteroceptor

1905–10; extero- (see exteroceptive) + (re)ceptor
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for exteroceptor

exteroceptor

noun
  1. any sensory organ or part of the body, such as the eye, able to receive stimuli from outside the bodyCompare interoceptor, proprioceptor
Derived Formsexteroceptive, adjective

Word Origin for exteroceptor

C20 extero-, from Latin exterus exterior + (re) ceptor
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
exteroceptor in Medicine

exteroceptor

[ĕk′stə-rō-sĕp′tər]
n.
  1. One of the peripheral end organs of the afferent nerves in the skin or mucous membranes that respond to stimuli from outside the body.
Related formsex′ter•o•cep′tive adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.