histogen

[ his-tuh-juhn, -jen ]

noun

, Botany.

1. a region in a plant in which tissues differentiate.

histogen

/ ˈhɪstəˌdʒɛn /

noun

1. (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

Word History and Origins

Origin of histogen¹

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

Example Sentences

Histog′eny, the formation and development of tissues—also Histogen′esis; Histog′raphy, a description of the tissues.

From Project Gutenberg