-tə(r) noun
( -s )
Etymology: proprio- (from Latin proprius own, particular) + -ceptor (as in receptor )
: a sensory receptor that is located deep in the tissues (as in skeletal or heart muscle, tendons, the gastrointestinal wall, or the carotid sinus) and that functions in proprioception (as in response to changes of physical tension or chemical condition within the body proper)