Definitions

1. noun

A process or phase in the life cycle of a hair follicle in which the growth cycle changes to a resting state, preparing for the next growth cycle.

“The catagenesis phase of the hair follicle typically lasts for a few weeks, followed by a dormant period before new hair growth begins.”

2. noun

A period of transition or change, especially in a gradual or natural process.

“The catagenesis of the ecosystem took place over several decades, resulting in a significant shift in the plant and animal life.”