Skin fissure

Schematic image comparing a skin fissure to an erosion and an ulcer.
The surface of the knuckles of a hand with xeroderma, showing skin cracking (generalized skin fissuring).

A skin fissure is a cutaneous condition in which there is a linear-like cleavage of skin, sometimes defined as extending into the dermis.[1] It is smaller than a skin laceration.

  1. ^ Gary Williams; Murray Katcher. "Primary Care Dermatology Module > Nomenclature of Skin Lesions > 18. FISSURE". Department of Pediatrics. The University of Wisconsin. Archived from the original on 2013-10-20.