Sign Up for a Free Account

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

Sign Up for a Free Account For information on discounts, see Plans & Pricing

  • 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.

Group of Gram-positive, Streptococcus pyogenes (group A Streptococcus) bacteria

The three-dimensional, computer-generated artistic recreation was based on scanning electron microscopic (SEM) imagery. (Courtesy of the Centers for Disease Control and Prevention Public Health Image Library. Image 22884. Image created by Jennifer Oosthuizen, Medical Illustrator, CDC, 2013. Public domain.)

Related Media

Associated Disorders

  • Arthritis
  • Athetosis
  • Carditis
  • Chorea gravidarum
  • Obsessive-compulsive behavior
  • Rheumatic fever
  • Streptococcal pharyngitis