Endorphin (met-enkephalin) Endorphins are endogenous opioid neuropeptids. that are segregated by the central nervous system and the pituitary gland. Illustration Pillow #250919724
Endorphin (met-enkephalin) Endorphins are endogenous opioid neuropeptids. that are segregated by the central nervous system and the pituitary gland. Illustration Pillow #250919724