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Terms and definitions

Everything in this flashcard set.

lymphocyte
An agranulocytic leukocyte that normally makes up a quarter of the white blood cell count but
HIV
The virus that causes acquired immune deficiency syndrome
antigen
Any substance that stimulates an immune response in the body
diseases
An illness that harms the body (plural)
pathogen
Any disease-producing agent
adenoid
A collection of lymphatic tissue in the throat behind the uvula
cytotoxic
Of or relating to substances that are toxic to cells
spleen
A large dark-red oval organ on the left side of the body between the stomach and the diaphragm
helper
A person who contributes to the fulfillment of a need or furtherance of an effort or purpose
vaccine
Immunogen consisting of a suspension of weakened or dead pathogenic cells injected in order
tonsils
Either of two masses of lymphatic tissue one on each side of the oral pharynx (plural)
AIDS
The work of providing treatment for or attending to someone or something (plural)

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