noun, noun-modifying (irregular)
proprioception
Medical term for the sense of body position and movement. Used as a noun or prenominally.
固有受容は、目を閉じていても自分の手足の位置がわかる感覚です。
Proprioception is the sense that lets you know the position of your limbs even with your eyes closed.
体性感覚 is a broader term for somatic sensation including touch, temperature, and pain, while 固有受容 specifically refers to the sense of body position and movement.
Compound of 固有 (inherent, proper) and 受容 (reception, acceptance), likely a calque from English 'proprioception'.