Parasitology Definitions and Concepts

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Questions and Answers

What is the definition of parasitism?

Parasitism is a relationship between two organisms where one organism, the parasite, benefits at the expense of the other organism, the host.

What is an intermediate host?

An intermediate host is an organism that harbors a parasite during a stage, or stages, of its development, but does not provide the parasite with the ability to reproduce sexually.

What is encystation?

Encystation is the process in which an organism encloses itself in a protective cyst, or capsule, to survive adverse conditions or to become dormant. Often, this is to allow for parasitic transmission.

What is a cercaria larva?

<p>A cercaria larva is a free-swimming, infective larval stage of certain parasitic flatworms (trematodes) typically found in aquatic environments. They have a tail for swimming and are responsible for infecting the second intermediate host.</p> Signup and view all the answers

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Study Notes

Parasitology Definitions

Parasitism is defined in the context of the study.
Intermediate host is defined and described.
Encystation is defined.
Cercaria larva is defined.

Parasitology Topics

The questions focus on parasitology definitions, descriptions of hosts and parasite life cycles.
Amoebas and helminths are specifically addressed.
Classification of certain parasites and differences between tick types are included.