interoceptor

n.
A specialized sensory nerve receptor that receives and responds to stimuli originating from within the body.

[INTER(IOR) + (RE)CEPTOR.]

interoceptive in'ter·o·cep'tive adj.

(inter'ōsepturz)
n.pl

Those sensory nerve end receptors lining the mucous membrane of the respiratory and digestive tracts. They are similar to exteroceptors but differ from them essentially in their location in the viscera.

visceroceptor

An internal sense-organ composed of nerve endings that respond to stimuli, such as changes in pH of the blood, which arise inside the body. See also proprioceptors.

A sensory nerve terminal located in and transmitting impulses from the viscera.