apical complex
(a\'pī-kal)
A set of organelles characteristic of members of the phylum Apicomplexa: polar rings, subpellicular microtubules, conoid, rhoptries, and micronemes.

Microbiology. . 2009.

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  • apical complex — an ultrastructural complex of apical organelles characteristic of certain protozoa (apicocomplexan protozoa) during some stage of their development, generally consisting of one or more polar ring(s), a conoid, micronemes, rhoptries, and… …   Medical dictionary

  • complex — 1. An organized constellation of feelings, thoughts, perceptions, and memories that may be in part unconscious and may strongly influence associations and attitudes. 2. In chemistry, the relatively stable combination of two or more compounds into …   Medical dictionary

  • Plasmodium falciparum biology — Taxobox color = khaki name = Plasmodium falciparum image width = 240px image caption = Blood smear of Plasmodium falciparum regnum = Protista phylum = Apicomplexa classis = Aconoidasida ordo = Haemosporida familia = Plasmodiidae genus =… …   Wikipedia

  • Apicomplexa — Taxobox name = Apicomplexa |Plasmodium domain = Eukaryota regnum = Chromalveolata superphylum = Alveolata phylum = Apicomplexa subdivision ranks = Classes Subclasses subdivision = Aconoidasida *Haemosporasina *PiroplasmasinaBlastocystea… …   Wikipedia

  • Apicomplexa — A phylum of the subkingdom Protozoa, which includes the class Sporozoea and the subclasses Coccidia and Piroplasmia, and is characterized by the presence of an apical complex. [L. apex, pl. apicis, tip, summit, + complexus, woven together] * * *… …   Medical dictionary

  • protist — protistan /proh tis teuhn/, adj., n. protistic, adj. /proh tist/, n. any of various one celled organisms, classified in the kingdom Protista, that are either free living or aggregated into simple colonies and that have diverse reproductive and… …   Universalium

  • conoid — 1. A cone shaped structure. 2. Part of the apical complex characteristic of the protozoan subphylum, Apicomplexa; seen in sporozoites, merozoites, or other developmental stages of sporozoans, less well developed in the piroplasms (families… …   Medical dictionary

  • polar ring — an electron dense, annular, anterior thickening of the pellicle of apicocomplexan protozoa, occurring at some stage in the life cycle, and forming part of the apical complex. Called also apical r …   Medical dictionary

  • Toxoplasma gondii — Taxobox | color = khaki name = Toxoplasma Gondii image width = 200px image caption = T. gondii tachyzoites regnum = Protista phylum = Apicomplexa classis = Conoidasida subclassis = Coccidiasina ordo = Eucoccidiorida familia = Sarcocystidae genus …   Wikipedia

  • Aconoidasida — Taxobox color = greenyellow name = Aconoidasida domain = Eukaryota regnum = Chromalveolata superphylum = Alveolata phylum = Apicomplexa classis = Aconoidasida subdivision ranks = Orders subdivision = Haemosporida PiroplasmidaThe Aconoidasida are… …   Wikipedia

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