radicle

radicle
A rootlet or structure resembling one, as the r. of a vein, a minute veinlet joining with others to form a vein, or the r. of a nerve, a nerve fiber that joins others to form a nerve. [L. radicula, dim. of radix, root]

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rad·i·cle 'rad-i-kəl n
1) the rootlike beginning of an anatomical vessel or part <the \radicle of a vein>
2) RADICAL

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n. (in anatomy)
1. a small root.
2. the initial fibre of a nerve or the origin of a vein.
radicular adj.

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rad·i·cle (radґĭ-kəl) [L. radicula] any one of the smallest branches of a vessel or nerve. Called also radicula and ramulus.

Medical dictionary. 2011.

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  • 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… …   The Collaborative International Dictionary of English

  • radicle — (n.) 1670s, in botany, from L. radicula, dim. of radix (see RADISH (Cf. radish)) …   Etymology dictionary

  • radicle — ► NOUN ▪ the part of a plant embryo that develops into the primary root. ORIGIN Latin radicula little root …   English terms dictionary

  • radicle — [rad′i kəl] n. [L radicula, dim. of radix,ROOT1] 1. Anat. the rootlike beginning of a nerve, vein, etc. 2. Bot. a) the lower part of the axis of an embryo seedling; strictly, the root part; often, the hypocotyl, sometimes together with the root… …   English World dictionary

  • Radicle — In botany, the radicle is the first part of a seedling (a growing plant embryo) to emerge from the seed during the process of germination. The radicle is the embryonic root of the plant, and grows downward in the soil(The shoot emerges from the… …   Wikipedia

  • radicle — 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] || …   The Collaborative International Dictionary of English

  • Radicle (disambiguation) — Radicle may refer to:*Radicle, a root * Radicle (anatomy), a nerve root, so called for its resemblance to plant roots …   Wikipedia

  • radicle — noun Etymology: Latin radicula, diminutive of radic , radix Date: 1671 1. the lower part of the axis of a plant embryo or seedling: a. the embryonic root of a seedling b. hypocotyl c. the hypocotyl and the root together 2. radical 4 …   New Collegiate Dictionary

  • radicle — n. [L. radix, root] (ARTHROPODA: Insecta) The base of the scape of the antenna; radicular adj …   Dictionary of invertebrate zoology

  • radicle — /rad i keuhl/, n. 1. Bot. a. the lower part of the axis of an embryo; the primary root. See diag. under plumule. b. a rudimentary root; radicel or rootlet. 2. Chem. (formerly) radical (def. 12). 3. Anat. a small rootlike part or structure, as the …   Universalium

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