noun
- Plural of histogen; layers of embryonic tissue in plants that give rise to different tissues and organs during development.
Usage: botany; technical
Examples
- Plant histogens are organized into distinct zones that differentiate into roots, stems, and leaves.
- The three primary histogens in plants are the dermatogen, periblem, and plerome.
- Botanists study histogens to understand how plant tissues originate during growth.
- Histogens in the apical meristem determine the future structure of the plant body.