plerome

The central portion of the apical meristem in a growing plant root or stem which, according to the histogen theory, gives rise to the endodermis and stele.

Noun

  1. The central portion of the apical meristem in a growing plant root or stem which, according to the histogen theory, gives rise to the endodermis and stele.

    Synonyms: pleroma

Origin

Borrowed from German Plerom + English -ome (suffix denoting a mass of something). Plerom is derived from Pleroma (obsolete), from Ancient Greek πλήρωμᾰ (plḗrōmă, “that which fills, a complement; a filling up, a completing”): see further at pleroma.