ramicristate amebae

ramicristate amebae
one of two subgroups of ameboid protozoa (class Lobosa), characterized by mitochondria with branching, tubular cristae; they are typically “naked” i.e., without a test. In this group are the orders Centramoebida, Euamoebida, and Leptomyxida. Called also gymnamoebae. The group is sometimes referred to as the subclass Gymnamoebia.

Medical dictionary. 2011.

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  • ramicristate — ra·mi·cris·tate (ra″me krisґtāt) having branching mitochondrial cristae; said of amebae …   Medical dictionary

  • Iodamoeba — A genus of parasitic amebae in the superclass Rhizopoda, order Amoebida. I. bütschlii a parasitic ameba in the large intestine of man; trophozoites are usually 9–14 μm in diameter; the cysts are usually 8–10 μm in diameter, uninucleate and… …   Medical dictionary

  • Lobosa — Lo·bo·sa (lo boґsə) a class of ameboid protozoa in the subphylum Sarcodina of the phylum Sarcomastigophora; most species have lobopodia, although filopodia and reticulopodia sometimes occur. Orders are grouped into two subclasses:… …   Medical dictionary

  • Amoeba — Also ameba. A single celled (protozoan) organism that constantly changes shape. The word “ameba” is from the Greek “amoibe” meaning “change.” Ameba can infect the bowels to cause diarrhea and the liver to cause abscess formation. * * * A genus of …   Medical dictionary

  • Balamuthia — A genus of free living ameba that causes granulomatous amebic encephalitis. * * * Bal·a·mu·thia (bal″ə mooґthe ə) a genus of ramicristate amebae of the order Leptomyxida. B. mandrillaґris can cause granulomatous amebic… …   Medical dictionary

  • Entamoeba — A genus of ameba parasitic in the oral cavity, cecum, and large bowel of humans and other primates and in many domestic and wild mammals and birds; with the exception of E. histolytica, members of the genus appear to be relatively harmless… …   Medical dictionary

  • Hartmannella — A common free living ameba found in soil, sewage, and water, known to invade invertebrates (snails, grasshoppers, oysters); suspected but not established as an agent of human primary amebic meningoencephalitis. * * * Hart·man·nel·la… …   Medical dictionary

  • Paramoeba — Former name for Entamoeba. * * * Par·amoe·ba (par″ə meґbə) [para + ameba] a genus of parasitic or free living ramicristate amebae, protozoa of the order Euamoebida, having both a nucleus and a nucleuslike body; some authorities… …   Medical dictionary

  • Acanthopodina — Acan·tho·po·di·na (ə kan″tho po diґnə) [acantho + Gr. pous foot] a suborder of ramicristate amebae that have finely tipped, filiform, or furcate hyaline subpseudopodia produced from a broad hyaline lobe …   Medical dictionary

  • Amoebida — Amoe·bi·da (ə meґbid ə) in older systems of classification, an order of ramicristate amebae, protozoa of the class Lobosa, mostly living in fresh water; they are typically uninucleate and have mitochondria but no flagellate stage. A… …   Medical dictionary

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