Microbiology Laboratory Concepts

These flashcards cover key concepts from the microbiology lecture focusing on laboratory techniques and microbial identification.

Enumerating Bacteria

The process of counting bacteria in a sample to assess microbial levels.

Psychrophile

An organism that thrives at low temperatures.

Thermophile

An organism that thrives at high temperatures.

Turbidity Assessment

A method used to measure the cloudiness of a liquid solution, indicating bacterial growth.

Viable Plate Count

A method used to estimate the number of living bacteria in a sample.

Antimicrobial Resistance

The ability of bacteria to resist the effects of drugs that once killed them or inhibited their growth.

Kirby Bauer Test

A standardized method used to test the efficacy of antibiotics against bacteria.

Protozoan

Single-celled organisms that can be free-living or parasitic.

N. fowleri

A brain-eating amoeba that can cause severe infections in humans.

Helminths

Multicellular parasitic worms, including flatworms and roundworms.

Trichuris trichuria

A type of whipworm that infects the intestines.

Ascaris lumicoides

A large intestinal roundworm that can cause an infection in humans.

Entamoeba histolytica

A protozoan parasite that causes amoebic dysentery.

Motility Structures

Structures that enable an organism to move, used to classify protozoans based on movement.

Sample Set

A group of samples taken for laboratory analysis to identify organisms present.

G+ and G-

Refers to Gram-positive and Gram-negative bacteria, indicating their reaction to a Gram stain.