Question

What is the region ouside the phellogen known as?

Answer 1

Answer:

Phellogen is defined as the meristematic cell layer responsible for the development of the periderm. Cells that grow inwards from there are termed phelloderm, and cells that develop outwards are termed phellem or cork (note similarity with vascular cambium)..

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Answer 2

Answer:

Phellem.

Explanation:

Phellogen is also known as cork cambium. It is the lateral meristem that brings about the thickening of the girth of plant. It gives rire to phelloderm on the inner side and phellem on the outer side. Phellem cells are dead at maturity. These cells are deposited with suberin and are air filled . These have protective function for plants.