An embryonic root of a plant.

1670s, in botany, from Latin radicula, diminutive of radix (see radish).

The end of a plant embryo which gives rise to the first root.

The main root of a seed; it is the direct continuation of the embryonic stem. rebloom:

a seedling embryo root; the radicle develops into one or two major types of root systems; taproot

The original root that develops from the germinating seed. All other roots that develop later are called "lateral roots." See: Seedling Anatomy

The first part of a seedling to emerge from the seed. Grows downward and develops into the primary root.

 The main root of a seed; it is the direct continuation of the embryonic stem.

the root of a plant embryo; the first part of a seedling to emerge during germination.

A rootlet or structure resembling one, a minute veinlet joining with others to form a vein.

The primary root of a germinating seed. radioactive

the portion of an embryo that gives rise to the primary root system of a plant.

(n) (anatomy) a small structure resembling a rootlet (such as a fibril of a nerve)

The lower portion of the axis of an embryo seedling.

, scape, q.v. (T-B); narrowed base of antennal scape, e.g., in adult Hymenoptera with geniculate antennae (Riek, in CSIRO); see scape.

The first part of a seedling to emerge from the seed. Grows downward and develops into the primary root.

(botany) The rudimentary shoot of a plant which supports the cotyledons in the seed, and from which the root is developed downward; the root of the embryo. (botany) A rootlet. (chemistry) radica [..]