What is "emulgent"

Emulgent \E*mul"gent\, n. (Med.) A medicine that excites the flow of bile. [Obs.]
--Hoblyn.

Emulgent \E*mul"gent\, a. [L. emulgens, p. pr. of emulgere to milk out: cf. F. ['e]mulgent. So called because regarded by the ancients as straining out the serum, as if by milking, and so producing the urine.] (Anat.) Pertaining to the kidneys; renal; as, emulgent arteries and veins. -- n. An emulgent vessel, as a renal artery or vein.

1570s (adj.), 1610s (n.), from Latin emulgentem (nominative emulgens), present participle of emulgere "to milk out, drain out, exhaust" (see emulsion). Related: Emulgence.

a. 1 Of a straining or purifying process 2 (context medicine English) Of the renal arteries and veins n. 1 (context medicine English) A substance promoting bile or urine production 2 A renal artery or vein.