Sign Up for a Free Account

This is an image preview.
Start a Free Account
to view the full image.

  • Nearly 3,000 illustrations, including video clips of neurologic disorders.

  • Every article is reviewed by our esteemed Editorial Board for accuracy and currency.

  • Full spectrum of neurology in 1,200 comprehensive articles.

  • Listen to MedLink on the go with Audio versions of each article.

Early clinical photograph of anencephaly from the late 1860s

Posterior view. (Source: Revue photographique des hôpitaux de Paris. Courtesy of the Rijkmuseum, Amsterdam, The Netherlands. Public domain.)