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nociceptor
no·ci·cep·tor [ nssi séptər ] (plural no·ci·cep·tors)


noun 
Definition:
 
pain receptor: a nerve ending that responds selectively to painful stimuli, causing the sensation of pain
[Early 20th century. < Latin nocere "to hurt" + receptor]
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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