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radicle n. 幼根,根狀部 幼根,根狀部 radicle n 1: (anatomy) a small structure resembling a rootlet (such as a fibril of a nerve) Radicle \Rad"i*cle\ (r[a^]d"[i^]*k'l), n. [L. radicula, dim. of
radix, -icis, root: cf. F. radicule. See {Radix}.] (Bot.) (a) The rudimentary stem of a plant which supports the cotyledons in the seed, and from which the root is developed downward; the stem of the embryo; the caulicle. (b) A rootlet; a radicel. [1913 Webster] Caulicle \Cau"li*cle\, n. (Bot.) A short caulis or stem, esp. the rudimentary stem seen in the embryo of a seed; -- otherwise called a {radicle}. [1913 Webster]
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