Search Results - "Ben Ahmed, Raja"

Microscopic analysis of spermatogenesis and mature spermatozoa in the amphibian leech Batracobdella algira (Annelida, Clitellata, Hirudinida) by Ahmed, Raja Ben, Malota, Karol, Jarosz, Natalia, Świątek, Piotr

“…Spermatogenesis and spermatozoa ultrastructure of the amphibian leech Batracobdella algira Moquin-Tandon, 1846 (Hirudinida: Glossiphoniidae) have been…”
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BTEX induces histopathological alterations, oxidative stress response and DNA damage in the testis of the freshwater leech Erpobdella johanssoni (Johansson, 1927) by Khaled, Ichrak, Saidi, Issam, Ferjani, Hanene, Ahmed, Raja Ben, Alrezaki, Abdulkarem, Guesmi, Fatma, Bouzenna, Hafsia, Harrath, Abdel Halim

“…The widespread application of the hydrocarbons benzene, toluene, ethylbenzene and xylene (BTEX) has led to their consideration as major aquatic environmental…”
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Modeling springback of thick sandwich panel using RSM by Ouled Ahmed Ben Ali, Raja, Chatti, Sami

“…The current paper attempts to develop a mathematical model to predict springback of thick sandwich panel made of steel/polyurethane (PUR)/steel in air bending…”
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Morphological data and DNA barcoding reveal the presence of the alien freshwater leech Helobdella octatestisaca (Hirudinida: Glossiphoniformes) in North Africa (Tunisia) by Ben Ahmed, Raja, Gajda, Łukasz, Świątek, Piotr

“…Background We hereby report the first occurrence of Helobdella octatestisaca in North Africa, specifically in Tunisia, as a likely introduced species from the…”
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Placobdella nabeulensis sp. nov. (Hirudinea: Glossiphoniidae), a new glossiphoniiform leech from Palearctic North Africa by Ben Ahmed, Raja, Gajda, Łukasz, Utevsky, Serge, Kvist, Sebastian, Świątek, Piotr

“…Background Herein, we describe a new species of turtle blood-feeding leech, Placobdella nabeulensis sp. nov. from Palearctic North Africa (Tunisia and…”
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Ovary cords organization in Hirudo troctina Johnson, 1816 and Limnatis nilotica (Savigny, 1822) (Clitellata, Hirudinea) by Ben Ahmed, Raja, Fuchs, Anna Z., Tekaya, Saïda, Harrath, Abdul Halim, Świątek, Piotr

“…In both examined species of Hirudinea there are paired spheroid ovisacs, and within each ovisac two convoluted ovary cords occur. The morphology of the cords…”
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An ultrastructural study of the ovary cord organization and oogenesis in the amphibian leech Batracobdella algira (Annelida, Clitellata, Hirudinida) by Ahmed, Raja Ben, Urbisz, Anna Z., Świątek, Piotr

“…This study reveals the ovary micromorphology and the course of oogenesis in the leech Batracobdella algira (Glossiphoniidae). Using light, fluorescence, and…”
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An Annotated Checklist of the Leech (Annelida: Hirudinida) Species of the Moulouya River Basin, Morocco, with Several New Distribution Records and a Historical Overview by Mabrouki, Younes, Ahmed, Raja Ben, Taybi, Abdelkhaleq Fouzi, Rueda, Juan

“…A historical overview of the leech fauna of Morocco, based on both literature data, museum collections and new material, sampled in more than 100 sites in the…”
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Spermatogenesis and spermatozoon ultrastructure in the jawed bloodfeeding land leech Haemadipsa japonica (Hirudinida: Hirudiniformes) from Japan by Ahmed, Raja Ben, Nakano, Takafumi, Piątek, Joanna, Krzyzczyk, Robert, Świątek, Piotr

“…Ben Ahmed R., Nakano T., Piątek J., Krzyzczyk R., Świątek P. 2023. Spermatogenesis and spermato- zoon ultrastructure in the jawed bloodfeeding land leech…”
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Effect of strain rate and load orientation on cyclic response of anisotropic polyurethane foam by Ben Abdeljelil, Dorra, Chatti, Sami, O Ahmed Ben Ali, Raja

“…Anisotropic cellular materials, such as polymeric foams, play an important role in structures subjected to cyclic loadings. The present paper provides an…”
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Extensive sampling sheds light on species-level diversity in Palearctic Placobdella (Annelida: Clitellata: Glossiphoniiformes) by Kvist, Sebastian, Utevsky, Serge, Marrone, Federico, Ben Ahmed, Raja, Gajda, Łukasz, Grosser, Clemens, Huseynov, Mair, Jueg, Uwe, Khomenko, Andrii, Oceguera-Figueroa, Alejandro, Pešić, Vladimir, Pupins, Mihails, Rouag, Rachid, Sağlam, Naim, Świątek, Piotr, Trontelj, Peter, Vecchioni, Luca, Müller, Christian

“…The bloodfeeding leech genus Placobdella is dominated by North American diversity, with only a single nominal species known from Central America and one from…”
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Cadmium exposure induces testicular oxidative damage and histopathological changes in the freshwater leech Limnatis nilotica (Savigny, 1822): the protective role of salicylic acid by Khaled, Ichrak, Saidi, Issam, Ben Ahmed, Raja, Amari, Ramzi, Aldahmash, Waleed, Pacioglu, Octavian, Hfaiedh, Najla, Harrath, Abdel Halim

“…The present study examined the histopathological changes and some parameters of oxidative stress in the testes of the freshwater leech Limnatis nilotica,…”
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Salicyclic acid against the disruptive effects of cadmium induces oxidative stress and ‎biochemical and histopathological changes in the ovary of the freshwater leech Limnatis ‎nilotica (Savigny, 1822) by Khaled, Ichrak, Ahmed, Raja Ben, Saidi, Issam, Abbassi, Raoudha, Abdelkader, Mohamed Omar, Harrath, Abdel Halim

“…In this study, we investigated the effect of Cd on the ovaries of the freshwater leech Limnatis nilotica and the ability of salicylic acid (SA) treatment to…”
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The spermatozoa of Hirudinea with examples from three different taxa by Ahmed, Raja Ben, Bacchetta, Renato, Boesi, Roberto, Froman, Niv, Marotta, Roberto, Ferraguti, Marco

“…The ultrastructure of mature spermatozoa from three leech species, Haemadipsa zeylanica (Moquin-Tandon, 1826) (Haemadipsidae), Theromyzon tessulatum (Müller,…”
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An ultrastructural study of the ovary cord organization and oogenesis in Erpobdella johanssoni (Annelida, Clitellata: Hirudinida) by Ben Ahmed, Raja, Tekaya, Saïda, Małota, Karol, Świątek, Piotr

“…► Ovaries of Erpobdella johanssoni are composed of the ovisac and 7–8 ovary cords. ► Ovary cords are of ‘Erpobdella’ type, at their tip the apical cell occurs…”
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Ultrastructural study of oogenesis in the acotylean Echinoplana celerrima, (Platyhelminthes, Polycladida) by Gammoudi, Mehrez, Ahmed, Raja Ben, Ahmed, Mukhtar, Sayed, Shaban R., Alwasel, Saleh H., Tekaya, Saïda, Harrath, Abdel Halim

“…Here, the ultrastructure of the female gonad of the marine polyclad Echinoplana celerrima was investigated using both light and electron microscopy. The female…”
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Ultrastructural study of spermatogenesis and sperm in the African medicinal leech Hirudo troctina Johnson, 1816 (Annelida, Hirudinida) by Ahmed, Raja Ben, Tekaya, Saïda, Urbisz, Anna Z, Świątek, Piotr

“…Graphical abstract…”
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Annotations on marine and freshwater leeches (Annelida, Clitellata, Hirudinea) from North Africa by Ben Ahmed, Raja, Gammoudi, Mehrez, Khaled, Ichrak, Tekaya, Saïda, Mansour, Lamjed, Alwasel, Saleh, Harrath, Abdel Halim

“…The purpose of this study is to provide information on the leech fauna of North Africa. This overview is based primarily on collected material, data from the…”
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Erpobdellid leeches (Annelida, Clitellata, Hirudinida) from Tunisia: new records with the description of a new Trocheta species by Ben Ahmed, Raja, Bielecki, Aleksander, Cichocka, Joanna M, Tekaya, Saïda, Gorzel, Małgorzata, Harrath, Abdul Halim

“…Up to now in Tunisia, freshwater Hirudinida are represented by two mainly haematophagous families: Hirudinidae and Glossiphonidae, and a predatory one: the…”
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Simplified springback prediction of thick sandwich panel by Ouled Ahmed Ben Ali, Raja, Chatti, Sami

“…Springback is one of the most important design behavior in air-bending processes. The sandwich panel exhibits more complicated bending and springback behavior…”
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