Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Skin biopsy section from the thigh showing loss of intraepidermal nerve fibers (black arrows) in a representative HSAN1 patient (A) as compared with an age-matched control (B) with normal distribution of dermal and intraepidermal nerve fibers.
