- Anat. the rootlike beginning of a nerve, vein, etc.
- the lower part of the axis of an embryo seedling; strictly, the root part; often, the hypocotyl, sometimes together with the root
- a rudimentary root
Origin: L radicula, diminutive of radix, root
Used by arrangement with John Wiley & Sons, Inc.
- Botany The part of a plant embryo that develops into a root.
- Anatomy A small structure, such as a fibril of a nerve, that resembles a root.
Origin: Latin rādīcula, diminutive of rādīx, rādīc-, root; see wrād- in Indo-European roots.
radicle - Medical Definition
radicle - Science Definition
- The part of a plant embryo that develops into a root. In most seeds, the radicle is the first structure to emerge on germination.
- A small anatomical structure, such as a fibril of a nerve, that resembles a root.
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