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.

White blood cells moving through the postcapillary venule

White blood cells moving through the postcapillary venule bind to molecules on endothelial cells (EC) and penetrate the blood-brain barrier. (Contributed by Dr. Anthony Reder.)

Related Media

Associated Disorders

  • AIDS
  • CNS lymphoma
  • autoimmune diseases
  • leukemia
  • progressive multifocal leukoencephalopathy
  • tuberculosis