名詞 proprioceptor:

1. special nerve endings in the muscles and tendons and other organs that respond to stimuli regarding the position and movement of the body

pro.pri.o.cep.tor

n.（名詞）
A sensory receptor, found chiefly in muscles, tendons, joints, and the inner ear, that detects the motion or position of the body or a limb by responding to stimuli arising within the organism.
本體感受器：一種感受器，主要在肌肉、腱關(guān)節(jié)和內(nèi)耳中找到通過對有權(quán)體內(nèi)產(chǎn)生的刺激反應(yīng)來察覺身體或肢節(jié)的運動或位置

來源：
Latin proprius [one`s own] * see per
拉丁語 proprius [某人自己的] *參見 per
(re)ceptor
(re)ceptor

【引伸】
pro.priocep.tive
adj.（形容詞）