Follicle filament

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 23.04.2021

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Follicular filament is generally defined as a primary non-inflammatory acne efflorescence.

Follicular filaments may be expressed as white pins when pressure is exerted on the nostrils, especially in persons with a seborrhoeic constitution. They consist of about 20-40 corneocytes layered on top of each other. In the center of a follicular filament a vellus hair is detectable. Bacteria, possibly Pityrosporum spores and sebum are also present.

A comedo may arise from a follicular filament.

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Last updated on: 23.04.2021