Week 11 Flashcards
allergy
an immune response to a foreign antigen that results in inflammation an organ disfunction
anaphylaxis
a sudden severe allergic reaction between an allergenic antigen and immunoglobin E
antibody
a substance produced by B lymphcytes in response to a unique antigen
antigen
any substance capable of eliciting an immune response or of binding to an antibody
apoptosis
programmed cell death
autoimmune disease
a disease produced when the body’s normal tolerance of the antigens on its own cells is disrupted
cancer
malignant neoplasm marked by uncontrolled growth of cells
chemotherapy
drug therapy used to treat infections, cancers, and other disease or conditions
cytokines
any more than 100 proteins produced primarily by white blood cells
histamine
a substance produced from the amino acid histadine which causes dilation of blood vessels and secretion of acid in the stomach, smooth muscle contraction and other responses.
immunity
protection from diseases
immunoglobulin
any diverse group of plasma polypeptides that bind antigenic proteins and serve as one of the body’s primary defenses against diseases
immunosuppressant
an agent that decreases or inactivates the immune response to antigens
interferon
any group of glycoproteins with antiviral activity
lymphatic system
a component of the circulatory system comprising the lymphatics and the lymphoid tissue
lymphedema
abnormal accumulation of tissue fluid in interstitial spaces due to the removal of lymph nodes or due to the blockage or destruction of lymphocytes
lymphocyte
a white blood cell responsible for much of the body’s immune protection
macrophage
monocyte that has left the circulation and settled and matured in a tissue
metastasize
to invade distant structures of the body
sepsis
a systemic inflammatory response to infection in which there is fever or hypothermia, tachycardia, tachypnea, and evidence of inadequate blood flow to internal organs.
