Portal:Medicine/Selected picture/98
Appearance
![](http://upload.wikimedia.org/wikipedia/commons/thumb/6/61/Keratosis_pilaris_arm.jpg/185px-Keratosis_pilaris_arm.jpg)
Keratosis pilaris is a very common genetic disorder of the hair follicle that is manifested by the appearance of rough bumps on the skin and hence colloquially referred to as "chicken skin".
Photo credit: Irja from San Francisco (cc-by-sa-2.0)