zoo-, zoa-, zo-, -zoic, -zoid, -zoite, -zoal, -zonal, -zooid, -zoon, -zoa, -zoan +

An animal living within another animal.

Any animal parasite inhabiting the intestines.

1. A group of worms, including the tapeworms, flukes, roundworms, etc, most of which live parasitically in the interior of other animals; the Helminthes.
2. Internal animal parasites; especially, the intestinal worms.
3. An artificial group, including all kinds of animals living parasitically in others.

Internal animal parasites.

Living within the body or substance of another animal or plant.

A parasitic animal that lives within another animal.

Afflicting animals; disease restricted to a locality.

Of or pertaining to rocks or strata older than the Paleozoic, in many of which the eozoon has been found.

A peculiar structure found in the Archaean limestones of Canada and other regions.

According to some geologists, it is believed to be a species of gigantic Foraminifera, but others consider it a concretion, without organic structure.

Foraminifera (single-celled planktonic animals with perforated chalky shells) consist of an extensive order of rhizopods which generally have a chambered calcareous shells formed by several united zooids. Many of them have perforated walls, whence the name. Some species are covered with sand.

1. Living on or attached to the body of an animal.
2. A reference to organisms that grows on live animals, but are not parasitic.

Lethal to epizoa.

1. The killing of external-animal parasites.
2. An agent destructive to or which kills epizoa.

The study of the frequency, distribution, and causation of disease in an animal population. Also called epizootiology.

1. An animal organism that lives on the surface of a host animal as a parasite; an ectozoon.
2. A parasitic animal that lives on the exterior of the body of another animal; an external parasite.

A disease caused by an animal parasite in or on the skin. Also called epidermatozoonosis.