Word parts
What it means
A tiny organism, also called a microbe or germ. Many live on and in the body harmlessly and some help us, such as the bacteria in the gut. Those that can cause disease are called pathogenPATH-uh-jenA germ, such as a bacterium, virus, fungus or parasite, that can cause disease.path/o disease-gen something that producesFull entry . The main groups are bacteriumbak-TEER-ee-umA tiny one-celled living thing, seen only under a microscope, of which some kinds cause disease; the plural is bacteria.Full entry , viruses, fungi (yeasts and molds) and protozoa.
For the nurse
hand hygieneHAND HY-jeenCleaning the hands with soap and water or an alcohol-based hand rub.Full entry is the most important way to stop microorganisms spreading between clients.
At a glance
| Spanish | microorganismo |
|---|---|
| Also written | microorganisms |
Related terms
bacterium
A tiny one-celled living thing, seen only under a microscope, of which some kinds cause disease; the plural is bacteria.
infectious disease
An illness caused by a germ such as a bacterium, virus, fungus or parasite.
pathogen
A germ, such as a bacterium, virus, fungus or parasite, that can cause disease.
sterilization
A process that destroys all microorganisms, including spores, on an item; also a permanent birth control procedure.
transmission
The passing of an infection from one person, animal or object to another.