radicle

views updated May 23 2018

rad·i·cle / ˈradikəl/ • n. Bot. the part of a plant embryo that develops into the primary root. ∎ Anat. a rootlike subdivision of a nerve or vein.DERIVATIVES: ra·dic·u·lar / rəˈdikyələr/ adj. ( Anat. ).

radicle

views updated May 18 2018

radicle The part of a plant embryo that develops into the root system. The tip of the radicle is protected by a root cap and points towards the micropyle. On germination it breaks through the testa and grows down into the soil. Compare plumule.

radicle

views updated Jun 27 2018

radicle (bot.) part of the embryo which develops into the primary root. XVIII. — L. rādīcula, dim. of rādīx, rādīc- root; see -CLE.

radicle

views updated May 21 2018

radicle (rad-ikŭl) n. (in anatomy)
1. a small root.

2. the initial fibre of a nerve or the origin of a vein.
radicular (ră-dik-yoo-ler) adj.

radicle

views updated May 14 2018

radicle In an embryo, the rudimentary root.