proprioceptor

noun
pro·​pri·​o·​cep·​tor | \ ˌprō-prē-ō-ˈsep-tər How to pronounce proprioceptor (audio) \

Definition of proprioceptor

: a sensory receptor (such as a muscle spindle) excited by proprioceptive stimuli (such as changes in limb position)

First Known Use of proprioceptor

1906, in the meaning defined above

History and Etymology for proprioceptor

New Latin, from Latin proprius + New Latin -ceptor (as in receptor)

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The first known use of proprioceptor was in 1906

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proprioceptor

noun
pro·​prio·​cep·​tor | \ -ˈsep-tər How to pronounce proprioceptor (audio) \

Medical Definition of proprioceptor

: 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)

More from Merriam-Webster on proprioceptor

Britannica.com: Encyclopedia article about proprioceptor

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