This patient education program explains Human Immunodeficiency Virus (HIV) infection and how ...
This patient education program explains Human Immunodeficiency Virus (HIV) infection and how that turns into AIDS. It stresses risk factors, screening, and prevention. This is a MedlinePlus Interactive Health Tutorial from the National Library of Medicine, designed and developed by the Patient Education Institute.
View the animation to see how one type of immune cell-the helper ...
View the animation to see how one type of immune cell-the helper T cell-interprets a message presented at the surface of the cell membrane. The message is an antigen, a protein fragment taken from an invading microbe. A series of events unfolds that results in the production of many clones of the helper T cell. These identical T cells can serve as a brigade forming an essential communication network to activate B cells, which make antibodies that will specifically attack the activating antigen.