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pituitary [pituitary 词源字典]: pituitary: see pine
[pituitary etymology, pituitary origin, 英语词源]
pituitary (adj.): 1610s, from Latin pituitarius "mucous," from pituita "clammy moisture, phlegm, mucus, slime," possibly from a suffixed form of PIE root *peie- "to be fat, swell" (see fat (adj.)). Taken as the name for the gland because it was believed that it channeled mucus to the nose. As a noun by 1899.
panhypopituitarism: "Diminished or absent secretion of all of the anterior pituitary hormones", 1940s.