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Medical Parasitology

The study of human parasites.

Medical Protozoology

The study of protozoans.

Medical Helminthology

The study of worms.

Commensalism

A relationship where one organism benefits.

Mutualism

A relationship where both organisms benefit.

Parasitism

A relationship where one organism is harmed.

Parasite

An organism that lives on a host.

Host

An organism that harbors a parasite.

Vector

An organism that carries and transmits disease.

Endoparasite

A parasite that lives inside the body.

Ectoparasite

A parasite that lives outside the body.

Obligate

An organism that needs a host to survive.

Facultative

An organism that can live freely without a host.

Accidental

A parasite that infects an unusual host.

Incidental

A parasite that infects a non-typical host.

Erratic

A parasite found in the wrong location.

Aberrant

A parasite that shows no development.

Spurious

A parasite that passes through without infecting.

Parthenogenetic

A form of asexual reproduction.

Coprophilic

Organisms that thrive on fecal matter.

Hematozoic

A parasite that infects the blood.

Cytozoic

A parasite that resides in tissues.

Coelozoic

A parasite that lives in body cavities.

Enterozoic

A parasite that lives in the intestine.

Permanent

A parasite that lives within a host for life.

Temporary

A parasite that has a short-term relationship with its host.

Non-pathogenic

A parasite that does not cause harm.

Commensals

Organisms that live in a relationship with no harm.

Pathogenic

An organism that causes disease.

Definitive

The life stage where sexual reproduction occurs.