Download Immune Terms

Immune System Terms
Name: _____________________________________________ Date: _________ Class: _________
Define the following terms: allergy, antibiotic, antibody, antigen, bacillus, binary fission, capsid, cell
mediated immunity, coccus, conjugation, disinfectant, endospore, fever, germ theory of disease,
heterotroph, histamine, inflammatory response, interferon, Koch’s postulate, pathogen,
photoautotroph, prion, sprillium, sterilization, toxin, vaccination, vector, virus
Idea that infectious diseases are caused by microorganisms, or germs.
1. The same pathogen must be present in every case of disease 2. The
pathogen must be isolated from the diseased host and grown in a pure
culture. 3.The pathogen must be isolated from the inoculated animal and
must be shown to the be the original microbe.
A harmful substance produced during the metabolism and growth of
certain microorganisms and some plant and animal species.
a carrier, especially the animal (usually an arthropod) that transfers an
infective agent from one host to another
Nonspecific defense against infection, characterized by redness, heat,
swelling, and pain
A rise of body temperature above the normal. It is caused by cytokines
produced in response to infection.
A protein released by infected cells, that has the property of inhibiting
virus replication
A protein that, when introduced in the blood, triggers the production of
an antibody
immunity against abnormal cells and pathogens inside living cells
A protein that acts against a specific antigen
An injection that produces a mild form of a disease in order to help build
up an immunity to it.
A chemical released by the body during an inflammatory response that
causes the blood vessels to dilate
a damaging immune response by the body to a substance, especially
pollen, fur, a particular food, or dust, to which it has become
hypersensitive
A rod-shaped bacterium.
A spherical bacterium.
spiral shaped bacteria
An organism that harnesses light energy to drive the synthesis of organic
compounds from carbon dioxide.
organism that makes organic carbon molecules from carbon dioxide using
energy from chemical reactions
organism that is photosynthetic but needs organic compounds as a
carbon source
A form of asexual reproduction in which one cell divides to form two
identical cells
In bacteria, the direct transfer of DNA between two cells that are
temporarily joined.
An organism that causes disease
A chemical that kills bacteria or slows their growth without harming body
cells.
A process that destroys all microorganisms, including spores and viruses
A chemical agent that is used to destroy bacteria and viruses on surfaces
ultramicroscopic infectious agent that replicates itself only within cells of
living hosts
Outer protein coat of a virus
-Infectious protein