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Parasite Vocabulary
Chapter 10
Microbiology
Antibiosis
A condition in which two organisms
cannot coexist
Arachnids
Members of the class arthropods that
include spiders and mites. The
characteristically have four pairs of
walking legs and no wings
Ciliates
Microorganism (protozoa) possessing
cilia
Flagella
Flexible whip-like structure found on
microorganisms, used as an organ of
locomotion
Giardiasis
Helminthes
Parasitic worm; a nematode
(roundworm) or trematode (fluke)
Hookworm
Parasitic roundworm that enters the
body through the skin and migrates to
the intestine where it attached itself to
the wall of the intestine with its
hooklets and sucks blood for its food
Hosts
Animal that harbors and provides
sustenance for another organism
Infestation
Living on or within the skin of the host
by animal parasites, usually insects
Mastigophora
A subphylum of protozoa that have
one or more flagella and a centrally
located nucleus
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Microfilaria
Prelarval stage of the Filariodea
family that are found in the blood of
humans and in the tissues of the
vector
Nematodes
Roundworm
Neutralism
Relationship between two organisms
in which neither one affects the other
Parasites
Organisms that live on or within
another living organisms at whose
expense it obtains some advantage
Pediculus
Genus of lice (head lice)
Protozoa
Subkingdom including unicellular
eukaryotic organisms
Symbiosis
Mutually beneficial relationship
between two or more organisms of
different species
Tapeworm
Parasitic cestode worm that has a
flattened ribbon-like body
Trematodes
A class of flatworms called flukes that
are broad and leaf shaped