proembryo Meaning, Definition & Usage

Pro*em"bry*o noun

Etymology

Pref. pro- + embryo.

Definitions

1. (Bot.) (a) The series of cells formed in the ovule of a flowering plant after fertilization, but before the formation of the embryo. (b) The primary growth from the spore in certain cryptogamous plants; as, the proembryo, or protonema, of mosses.