Definitions for "Hypocotyl"
Part of the axis of an embryo or stem of a seedling.
The rudimentary stem of the embryo ; also termed radicle.
The part of a plant embryo between its cotyledon and root tip
Keywords:  germinating, upward, seed, leaf, grows
( hî´-pe-kät´-el) - The first leaf-like structure that appears on a germinating seed. Grows upward in response to light.