malarial parasite


Also found in: Dictionary, Thesaurus, Legal, Encyclopedia.

parasite

 [par´ah-sīt]
1. a plant or animal that lives upon or within another living organism at whose expense it obtains some advantage; see also symbiosis. Parasites include multicelled and single-celled animals, fungi, and bacteria, and some authorities also include viruses.Those that feed upon human hosts can cause diseases ranging from the mildly annoying to the severe or even fatal. (See accompanying table.)
Types of parasites.
adj., adj parasit´ic.
accidental parasite one that parasitizes an organism other than the usual host.
facultative parasite one that may be parasitic upon another organism but can exist independently.
incidental parasite accidental parasite.
malarial parasite Plasmodium.
obligate parasite (obligatory parasite) one that is entirely dependent upon a host for its survival.
periodic parasite one that parasitizes a host for short periods.
temporary parasite one that lives free of its host during part of its life cycle.

malarial parasite

[məler′ē·əl]
Etymology: It, mal aria, bad air; Gk, parasitos, guest
one of four known species of Plasmodium that may be injected into the human bloodstream by an anopheline mosquito to begin the cycle of malarial disease.
References in periodicals archive ?
However, scientists now may have discovered a way by which to weaken and trick malarial parasites, thereby effectively developing a solution to the problem.
3] and malarial parasite was absent in the peripheral smear.
Chloroquine was a popular choice for more than 50 years, but its overuse made the malarial parasite resistant to it.
From the present investigation we conclude that the malarial parasite, P.
They suffer another attack of malaria due to the failure of quinine to kill the malarial parasites in cells of the body other than the red blood cells.
At the end of the antimonial therapy, the bone marrow aspirate did not show any L-D bodies or malarial parasites, and there was no residual lymphadenopathy.
The scientists at London's Imperial College are working to introduce a gene into the insect's salivary gland which produces a protein which would stimulate the person's immune system against the malarial parasite.
Ravetch's prior work led to the cloning and mapping of the first malarial parasite chromosome, and more recently to the cloning of the first Fc receptor genes.
In 1983, the Nussenzweigs led efforts that cloned the gene encoding CSP of a monkey parasite, and later they cloned the gene for the human malarial parasite Plasmodium falciparum.
The result - the mice developed Immunoglobulin A (IgA) antibodies to both the malarial parasite protein and to a toxin produced by the cholera bacteria.
A mobile, infective stage of development in certain protozoa, especially the malarial parasite Plasmodium.
THE growing drug resistance in the malarial parasite is a huge worry.