The uropygial gland of a bird, which secretes the oil used for preening.
单词 | θ38783 |
释义 | the world > animals > birds > parts of or bird defined by > [noun] > uropygial gland (3) note1486 The uropygial gland of a bird, which secretes the oil used for preening. oil gland1835 a gland which secretes oil; spec. the uropygial or coccygeal gland of a bird, which secretes the oil used for preening. preen gland1922 The uropygial gland of a bird, which secretes the oil used for preening. Also called oil gland. |
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