uropygial gland
plural of haliotid
(chemistry) melene
A secretory organ, at the base of a bird's tail, that secretes the oil used in preening.
Exhibiting or relating to paraparesis.
鳥類学者は感染の兆候がないか、鳥の尾の付け根にある尾脂腺を慎重に診察した。
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