Apicomplexa


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Related to Apicomplexa: Ciliophora, Ciliata, Protozoa, plasmodium

A·pi·com·plex·a

(ap'i-kom-plek'să),
A phylum of the subkingdom Protozoa, which includes the class Sporozoea and the subclasses Coccidia and Piroplasmia, characterized by the presence of an apical complex.
[L. apex, pl. apicis, tip, summit, + complexus, woven together]

Apicomplexa

(ap″ĭ-kŏm-plek′să)
A phylum of the kingdom Protista (formerly a division of protozoa called Sporozoa); named for a complex of cell organelles (apical microtubule complex) at the apex of the sporozoite form that can penetrate host cells. It includes the medically important genera Plasmodium, Toxoplasma, Cryptosporidium, and Isospora.

Apicomplexa

a phylum of protozoa, including the coccidia.
References in periodicals archive ?
R is caused by Neospora caninum, Apicomplexa protozoarian that infects cattle due to consumption of contaminated foods with excrements of canidae, its definitive host, and by transplacentary way.
Mercier C, Adjogble KD, Daubener W, Delauw ME, Dense granules: are they key organdies to help understand the parasitophorous vacuole of all apicomplexa parasites?
Parasite Location Prevalence (a) Apicomplexa Eimeria pilarensis NM 1/12 (8%) Eimeria rioarribaensis NM 4/22 (18%) MX (b) 1/21 (5%) Trematoda Plagiorchis micracanthos SD 1/1 (100%) Nematoda Longibucca lasiura CAN (d) 1/10 (10%) Acari Leptotrombidium myotis SD not stated MT 1/6 (17%) OR not stated Macronyssidae (nymphs) CA 1/1 (100%) (c) Macronyssus crosbyi NM 1/1 (100%) Ornithodoros sp.
The four phyla of medical concern are Sarcomastigophora (motile by means of pseudopods such as ameba or by flagella such as Trichomonas vaginalis), Apicomplexa (nonmotile when mature such as Cryptosporidium parvum), Cilophora (motile by means of cilia such as Bal.
Entre los parasitos encontrados se evidencio una alta presencia de protozoos del genero Eimeria, 67,4%, pertenecientes al phylum Apicomplexa, familiaEimeriidae, entre las cuales se identificaron E.
El genero Cyclospora pertenece al phylum Apicomplexa, clase Sporozoa, subclase Coccidia.
It belongs to the subphylum Apicomplexa, class Sporozoa, and exists in nature in 3 forms: the oocyst (which releases sporozoites), the tissue cyst (which contains and may release bradyzoites), and the tachyzoite.
Besides bolstering the theory that endosymbiotic events were common in evolutionary history, the finding may have medicinal value: The protozoans belong to the group Apicomplexa, which includes the organisms responsible for malaria and toxoplasmosis.
Phylogenetic analysis of the Class Sporozoea (Phylum Apicomplexa Levine, 1970): Evidence for the independent evolution of heteroxenous life cycles.
Equine babesiosis is caused by Babesia equi (Theileria equi) and Babesia caballi, which are intracellular obligate parasites of the phylum Apicomplexa and cause hemoparasitic disease in horses [2,3].