Definitions in biology.

1.Active Immunity: Immunity resulting from the development of antibodies in response to the presence of an antigen, as from vaccination or exposure to an infectious disease. Adrenal: 1.At, near, or on the kidneys. 2. 2 Of or relating to the adrenal glands or their secretions. Aids: A severe immunological disorder caused by the retrovirus HIV, resulting in a defect in cell-mediated immune response that is manifested by increased susceptibility to opportunistic infections and to certain rare cancers, …

…and cytoplasm and help protect the body from infection and disease through specialized neutrophils, lymphocytes, and monocytes. Also called leukocyte, white cell, white corpuscle. 108. 109.Withdrawal: The act or process of withdrawing, as:. a. A retreat or retirement. b. Retreat of a military force in the face of enemy attack or after a defeat. c. Detachment, as from social or emotional involvement. d. A removal from a place or position of something that has been deposited.