periblem
noun
peri·blem
ˈperəˌblem
plural -s
according to the histogen theory
: a primary meristem that gives rise to the cortex and is located between plerome and dermatogen : the cortical region of the root tip
Word History
Etymology
German, from Greek periblēma garment, fortification, from periballein to throw around, encompass, put on, from peri- + ballein to throw