phys.
phys. A line perpendicular to the vertical. གཞུང་ཐིག་དང་དྲང་འཕྱང་ཡིན་པའི་ཐིག་ཅིག
biol.
Neurosci.
biol. A substance produced in one part of the body, especially in an endocrine gland, that has an effect on another part of the body, to which it is usually […]