英语词汇“petiole”的英英意思、用法、释义、翻译、读音、例句、短语、词组、英语词典-本地帮

单词

petiole

释义

petiole Nat. Hist.|ˈpɛtɪəʊl|
[= mod.F. pétiole, ad. L. petiol-us little foot, stem, stalk of fruit: specialized by Linnæus:
1751Linnæus Philos. Bot. 41 Petiolus, Pedunculus, Pediculus antecessoribus Synonymi fuere, nobis autem minime. Petiolus promit folium, et Pedunculus Fructificationem.]
1. Bot. The footstalk of a leaf, by which it is attached to the stem; a leaf-stalk.
1753Chambers Cycl. Supp., Petiole, petiolum, among botanists, expresses that stalk which supports the leaves,..as the peduncle does the fructifications.Ibid. s.v. Leaf, The oppositely pinnated.. folioles stand opposite to one another on the common petiole.1870Hooker Stud. Flora 250 Leaves,..gradually narrowed into long winged petioles.
2. Zool. Applied to a slender stalk-like structure supporting some part, as the eye-stalk in certain Crustacea, or the stalk connecting the abdomen and thorax in wasps, ants, and other insects.
1782André in Phil. Trans. LXXII. 441 note, Crabs, whose eyes are placed on petioles, or stalks, and are moveable.1856–8W. Clark Van der Hoeven's Zool. I. 243 Filaments of branchiæ numerous, placed on a petiole twisted spirally.

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