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单词 coccidia
释义

Coccidia


coc·cid·i·um

C0441200 (kŏk-sĭd′ē-əm)n. pl. coc·cid·i·a (-ē-ə) Any of various parasitic apicomplexan protozoans that cause diseases such as toxoplasmosis in the digestive tract of vertebrates. Also called coccidian.
[New Latin Coccidium, former genus name : coccus + -idium, diminutive suff. (from Greek -idion).]
Thesaurus
Noun1.Coccidia - an order in the subclass Telosporidiaorder Coccidiaanimal order - the order of animalssubclass Telosporidia, Telosporidia - parasitic sporozoans that form spores containing one or more infective sporozoitesEimeriidae, family Eimeriidae - a family of protoctist in the order Coccidiacoccidium, eimeria - parasitic on the digestive epithelium of vertebrates and higher invertebrates
Translations
кокцидия

Coccidia


Coccidia

[käk′sid·ē·ə] (invertebrate zoology) A subclass of protozoans in the class Telosporea; typically intracellular parasites of epithelial tissue in vertebrates and invertebrates.

Coccidia

 

an order of one-celled animals of the class Sporozoa. There are approximately 1,000 species. They are intracellular parasites of the epithelial tissue primarily of the digestive organs of invertebrates (annelid worms, mollusks, and arthropods) and vertebrates. They look like small rounded cells with a bubble-shaped nucleus.

Almost every species of Coccidia parasitizes only one definite species of animal host. Most Coccidia exhibit regular alternation of asexual reproduction (schizogony), a sexual process, and sporogony. Asexual reproduction is absent only in the most primitive group—Protococcidiida (genus Eucoccidium). Spores keep the sporozoites viable outside the host’s body for several months, until the oocyst is swallowed by the animal host. The majority of species of Coccidia develop in one host. Some Coccidia have two—for example, members of the genus Aggregata undergo asexual reproduction (schizogony) in crabs and the sexual process and sporogony in gastropod mollusks. Coccidia are very widely distributed. Some cause coccidiosis.

REFERENCE

Kheisin, E. M. Zhiznennye tsikly koktsidii domashnikh zhivotnykh. Leningrad, 1967.

V. A. DOGEL’

Coccidia


Coccidia

 [kok-sid´e-ah] a subclass of sporozoa commonly parasitic in epithelial cells of the intestinal tract, but also found in the liver and other organs; it includes two genera, Eimeria and Isospora.

coccidia

 [kok-sid´e-ah] (L.) plural of coccidium.

Coc·cid·i·a

(kok-sid'ē-ă), A subclass of important protozoa (class Sporozoea, phylum Apicomplexa) in which the mature trophozoites are small and typically intracellular; schizogony and sporogony can occur in the same host, in contrast to the gregarines (subclass Gregarinia of class Sporozoea), which have large extracellular trophozoites in various invertebrates and do not reproduce by schizogony. Synonym(s): Coccidiasina [Mod. L., fr. G. kokkos, berry]

coc·cid·i·a

(kok-sid'ē-ă), Plural of coccidium.

Coc·cid·ia

(kok-sid'ē-ă) A subclass of protozoa in which mature trophozoites are small and typically intracellular. [Mod. L., fr. G. kokkos, berry]

Coccidia


  • noun

Synonyms for Coccidia

noun an order in the subclass Telosporidia

Synonyms

  • order Coccidia

Related Words

  • animal order
  • subclass Telosporidia
  • Telosporidia
  • Eimeriidae
  • family Eimeriidae
  • coccidium
  • eimeria
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