histogen

[ his-tuh-juh n, -jen ]
/ ˈhɪs tə dʒən, -ˌdʒɛn /

noun Botany.

a region in a plant in which tissues differentiate.

Origin of histogen

First recorded in 1920–25; histo- + -gen

Example sentences from the Web for histogen

British Dictionary definitions for histogen

histogen
/ (ˈhɪstəˌdʒɛn) /

noun

(formerly) any of three layers in an apical meristem that were thought to give rise to the different parts of the plant: the apical meristem is now regarded as comprising two layers See corpus, tunica