exogen

noun — 2 senses

exogen

noun

Etymology From exo- + -gen: compare French exogène.

1

Biology, Botany, Natural sciences A plant characterized by wood, bark and pith, the wood forming a layer between the other two, and growth only occurring on the outside.

2

Dermatology, Medicine, Sciences The last phase of the hair growth cycle that follows telogen, during which the hairshaft is released from the hair follicle and is shed from the body.

Derived terms
exogenic
Related terms
endogen, anagen, catagen, telogen

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.