Key Terms : 5.1

Coccus

Phagocyte

Antibody

Aseptic Technique

Gram Stain

Bacillus

Spirillum

Prion

Fungus

Helminth

Microbiology

Protozoan

Contagious

Virus

Bacteria

Transmission

Infection

B-cells

T-cells-

A lymphocyte not processed by the thymus gland, and responsible for producing antibodies.

A lymphocyte of a type produced or processed by the thymus gland and actively participating in the immune response.

A type of cell within the body capable of engulfing and absorbing bacteria and other small cells and particles.

A blood protein produced in response to and counteracting a specific antigen.

A bacterium with a rigid spiral structure, found in stagnant water and sometimes causing disease.

Any spherical or roughly spherical bacterium.

A rod-shaped bacterium.

A staining technique for the preliminary identification of bacteria, in which a violet dye is applied, followed by a decolorizing agent and then a red dye.

Using practices and procedures to prevent contamination from pathogens.

The branch of science that deals with microorganisms.

A small petrel of southern seas, having a wide bill fringed with comblike plates for feeding on planktonic crustaceans.

A parasitic worm; a fluke, tapeworm, or nematode.

A single-celled microscopic animal of a group of phyla of the kingdom Protista.

Any of a group of unicellular, multicellular, or syncytial spore-producing organisms feeding on organic matter, including molds, yeast, mushrooms, and toadstools.

An infective agent that typically consists of a nucleic acid molecule in a protein coat.

A member of a large group of unicellular microorganisms that have cell walls but lack organelles

The action or process of transmitting something or the state of being transmitted.

Spread from one person or organism to another by direct or indirect contact

The process of infecting or the state of being infected.