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Publications (6)4.98 Total impact

  • Ratib M. Al-Oran
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    ABSTRACT: Notable herpetofaunal data from the Al Mudawwarah region of South Jordan are listed. They include the second record of the “kennedyi” form of Lytorhynchus diadema.
    No preview · Article · Jan 2000 · Zoology in the Middle East
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    ABSTRACT: Thirty-two autochthonous cases of Schistosoma haematobium are reported from Ghore As-Safi, Karak Lowlands, Jordan. All infected persons were males (9-46 years-old). New unusual breeding sites for Bulinus truncatus are discovered. The past and current distribution of the snail intermediate host is given.
    Full-text · Article · Jan 1999 · Parasite
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    David Modrý · Břetislav Koudela · Ratib M Al-Oran · Zuhair S Amr
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    ABSTRACT: A new coccidian parasite of the genus Caryospora Léger, 1904 is described from the colubrid snake Psammophis schokari (Forskål, 1775). Oocysts of Caryospora maxima sp. n. are spherical or subspherical, 43.0 (40.0-46.0) × 42.1 (40.0-44.0) µm, with smooth and bilayered oocyst wall ca. 2.0 µm thick. A micropyle, oocyst residuum and polar granule are absent. Sporocysts are broadly ellipsoidal, 21.3 (21.0-22.0) × 16.3 (16.0-17.0) µm, with smooth, colourless and unilayered sporocyst wall. Stieda and substieda bodies are present. Sporocyst residuum is present as compact mass of granules lying centrally between sporozoites. Sporozoites are elongate, arranged head to tail within sporocyst. Caryospora maxima represents the first coccidian species described from Psammophis schokari. Forskal's sand snake, Psammophis schokari (For-skål, 1775) is a widely distributed colubrid snake spe-cies, occurring in desert and semidesert ecosystems of Sahara and sub-Saharan regions of Africa, in the Near and Middle East, India and republics of the former USSR. No species of coccidium has been described from this species of snake to date. In this paper a spe-cies of the genus Caryospora is reported for the first time from Psammophis schokari and is described as a new species.
    Full-text · Article · Jan 1999 · Folia parasitologica
  • Ratib M. Al-Oran · Saman Rostum · Ulrich Joger · Zuhair Amr
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    ABSTRACT: Two specimens of the Levantine Viper, Macrovipera lebetina, were discovered in the vicinity of Al-Karak, Jordan. This extends the known range of the species considerably to the south. The specimens are described and zoogeographic implications are discussed. Kurzfassung Zwei Exemplare der Levanteotter Macrovipera lebetina aus der Gegend von Al-Karak sind Erstnachweise für Jordanien. Das bekannte Areal der Art wird hierdurch beträchtlich nach Süden erweitert. Die Exemplare werden beschrieben und zoogeographische Folgerungen diskutiert.
    No preview · Article · Jan 1998 · Zoology in the Middle East
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    Mazin Botros QUMSIYEH · Zuhair Sami AMR · Ratib Musa AL-ORAN
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    ABSTRACT: Recent records along with a synopsis of the known bats of Jordan are given. Twenty-four species of bats are reported from Jordan, including two additional records, Rhinolophus mehelyi and Asellia tridens. Five other bat species are suspected to occur.
    Full-text · Article · Jan 1998 · Turkish Journal of Zoology
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    ABSTRACT: Faecal samples from 17 fan-footed geckoes Ptyodactylus puiseuxi Boutan were examined for coccidian parasites. Five geckoes (29%) were found to be passing ocysts of the genus Isospora Schneider. Comparison with other members of the genus Isospora indicates that the coccidian found represents a new species. Sporulated ocysts of I. ptyodactyli n. sp. are spherical or subspherical, 22.1 (19.0–24.0) 21.2 (18.0–23.0) m, with a shape-index (length/width) of 1.04; and a smooth and bilayered ocyst wall, 1.0–1.5 m thick. A micropyle, ocyst residuum and polar granule are absent. The sporocysts are ellipsoidal, 12.2 (11.0–14.0) 8.0 (7.5–9.0) m, with a shape index of 1.5 (1.4–1.9). Stieda and substieda bodies are present, the Stieda body being knob-like and the substieda body spherical to subspherical. A sporocyst residuum is present and composed of numerous granules of different size scattered among the sporozoites. The sporozoites are vermiform, with a slightly granulated surface appearance, and are arranged head to tail within the sporocyst. Most ocysts have still to sporulate when excreted; sporulation was completed within 12 h at 25 C. Endogenous development occurs inside the nuclei of enterocytes in the small intestine.
    Full-text · Article · Dec 1997 · Systematic Parasitology