(n.) Any parasite which lives in the internal organs of an animal, as the tapeworms, Trichina, etc.; -- opposed to ectoparasite. See Entozoon.
Example Sentences:
(1) The use of organophosphorus preparations in the treatment of ectoparasites and endoparasites of pigs is discussed.
(2) The possibility of leech endoparasitism should not be overlooked in people presenting with epistaxis or hemoptysis and a history of recent contact with fresh water lakes or streams in tropical regions.
(3) It is suggested that this comparatively loose, poorly oriented endocuticular structure produces a highly extensible cuticle which is precisely adapted to the specialize, endoparasitic habit of this species.
(4) After 3 treatments, all mice were mite- and worm-free: they remained free of ectoparasites until 18 weeks after the last treatment; eggs of endoparasites reappeared 9 weeks after the last treatment.
(5) Therefore, it represents a useful target for drugs against ectoparasitic crustaceans, insects and endoparasitic nematodes.
(6) Of 105 juvenile American robins (Turdus migratorius L.) examined for fecal parasites, 77.1% were infected with one or more species of endoparasite.
(7) A review of the literature indicates only limited studies have been done in vitro in an attempt to elucidate the bases of reported host hormone influences on endoparasites in vivo.
(8) Monthly and yearly rainfall patterns were not correlated with endoparasite intensity and prevalence, which indicates that fluctuations of populations of northern bobwhites in Texas may be caused by factors other than changes in prevalence and intensity of endoparasites.
(9) At the developmental stage at which the hemolymph of the unparasitized metamorphosing host has its maximum titer of prepupal ecdysteroids, the hemolymph of 4th instar "truly parasitized" hosts (hosts with a surviving endoparasite) had a strongly reduced ecdysteroid titer.
(10) The infestation with ecto- and endoparasites of red foxes in Berlin (West) was investigated.
(11) In Malaria Anthropo-Ecosystem (MAES) which is much more intricate and complex system, Plasmodium being endoparasite is required not only to interact with intrinsic factors of its vertebrate and invertebrate host but also to regulate itself to environmental factors to which its both the hosts are subjected.
(12) The isolate was able to grow not only under host-dependent but also under host-independent conditions when low nutrient media were used for cultivation, and its bacteriolytic mode was different from that of Bdellovibrio, an endoparasite.
(13) The use of organophosphorus preparations for the control of ectoparasites and endoparasites of sheep, particularly systemic application, is discussed.
(14) In the nervous system of the obligatory endoparasite Diphyllobothrium dendriticum immunoreactivity (IR) to growth hormone-releasing factor (GRF), peptide histidine isoleucine (PHI), bovine pancreatic polypeptide (BPP), gastrin, gastrin-releasing peptide (GRP), oxytocin, FMRFamide (FMRF) and serotonin (5HT) was demonstrated by immunocytochemical methods.
(15) The endoparasites include nine nematodes species, five trematodes and eimeria sp.
(16) The common mode of presentation in leech endoparasitism is by nasal infestation and recurrent unexplained epistaxis.
(17) Twenty-four of 87 (28%) parthenogenetic Chihuahuan spotted whiptails (Cnemidophorus exsanguis) from nine counties of New Mexico and seven counties of Texas were infected with one or more endoparasites.
(18) Within the hare population, Obeliscoides, Trichuris, Protostrongylus and Taenia had overdispersed distributions (typical of many endoparasites) that did not differ from a negative binomial.
(19) Prevalence and intensity of six endoparasites were determined in 346 snowshoe hares (Lepus americanus) obtained at Rochester, Alberta, during December-April 1981-1982, the second winter of a cyclic population decline.
(20) The endoparasites found in these agoutis were Ascaris, Toxascaris, Strongyloides, Trichuris, and Trichomonas.
Parasite
Definition:
(n.) One who frequents the tables of the rich, or who lives at another's expense, and earns his welcome by flattery; a hanger-on; a toady; a sycophant.
(n.) A plant obtaining nourishment immediately from other plants to which it attaches itself, and whose juices it absorbs; -- sometimes, but erroneously, called epiphyte.
(n.) A plant living on or within an animal, and supported at its expense, as many species of fungi of the genus Torrubia.
(n.) An animal which lives during the whole or part of its existence on or in the body of some other animal, feeding upon its food, blood, or tissues, as lice, tapeworms, etc.
(n.) An animal which steals the food of another, as the parasitic jager.
(n.) An animal which habitually uses the nest of another, as the cowbird and the European cuckoo.
Example Sentences:
(1) The rise of malaria despite of control measures involves several factors: the house spraying is no more accepted by a large percentage of house holders and the alternative larviciding has only a limited efficacy; the houses of American Indians have no walls to be sprayed; there is a continuous introduction of parasites by migrants.
(2) However, ticks, which failed to finish their feeding and represent a disproportionately great part of the whole parasite's population, die together with them and the parasitic system quickly restores its stability.
(3) One thousand nineteen Wyoming ground squirrels (Spermophilus elegans elegans) from 4 populations in southern Wyoming were examined for intestinal parasites.
(4) Ten or 4% of the administered parasites passed in the feces during the 3 days following the first or second infection, but 32% after the third infection.
(5) However, the degree of inhibition of parasite replication after exposure to rMu-GM-CSF was not as great as after treatment with rMu-IFN-gamma, and much more rMu-GM-CSF than rMu-IFN-gamma was required to achieve an equivalent antimicrobial effect.
(6) Filipin-induced lesions in glutaraldehyde-fixed parasites indicated higher levels of beta-hydroxysterols in the amastigote than in the promastigote plasma membrane, and in the promastigote flagellar membrane than in the body membrane.
(7) The propionyl-CoA condensing enzyme which catalyzes the first step in the biosynthesis of 2-methylbutyrate and 2-methylvalerate by Ascaris muscle appears to exist in at least three forms in the mitochondria of this parasitic nematode.
(8) The time to recovery of full consciousness, time to parasite clearance, and mortality were examined with Cox proportional-hazards regression analysis.
(9) In addition, a redistribution of cellular controls of the host reaction to parasites may act as a complementary mechanism for establishment of the viable equilibrium between host and parasite.
(10) symptoms, bowel habits, normal physical examination, absence of intestinal infections or parasites) b) physiopathological evaluation (hyperactivity of the distal colon, hypersensitivity to stimuli, stress), and c) physiological evaluation of the patient.
(11) Parasite antigen was present in sera from all infected animals before treatment.
(12) We have found intrathrombocytic parasites of Plasmodium vivax (in 10% of men naturally infected) and P berghei (in 53% of mice experimentally infected); these were both merozoites and trophozoites.
(13) they are shown to inhibit in vitro the release of iron from acidified host cell cytosol, consisting mostly of hemoglobin, a process that could provide this trace element to the parasite.
(14) Phagocytosis of normal or parasitized red cells was not observed.
(15) A radical rearrangement of the organism occurred gradually: initially oval in shape, the parasite became round, then elongated, flattened, and underwent cytokinesis.
(16) The parasites were highly aggregated within the study community, with most people harbouring low burdens while a few individuals harboured very heavy burdens.
(17) Discovery of this vectorhost-parasite system in the Americas, and the localization of promastigote flagellates (leptomonads) in the hindgut of the vector, should assist in clarifying interpretative problems associated with infection of wild-caught flies in studies on leishmaniasis in the Americas and elsewhere.
(18) At the external wall of the host's gut, parasitic cysts of this nematode with immature stages inside were also observed.
(19) All three parasite lines required sialic acid for optimal invasion, but Thai-2 parasites cultured in Tn erythrocytes invaded neuraminidase-treated erythrocytes with 45% efficiency whereas Camp parasites invaded neuraminidase-treated erythrocytes with less than 10% efficiency.
(20) Pretreatment of G6PD(+) cells with ascorbate caused a slight enhancement in parasite development, while in G6PD(-) cells a suppressive effect on the plasmodia was demonstrated.