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Terebra steering in chalcidoid wasps.
Front Zool
August 2023
Evolutionary Biology of Invertebrates, Institute of Evolution and Ecology, University of Tübingen, Auf der Morgenstelle 28, 72076, Tübingen, Germany.
Various chalcidoid wasps can actively steer their terebra (= ovipositor shaft) in diverse directions, despite the lack of terebral intrinsic musculature. To investigate the mechanisms of these bending and rotational movements, we combined microscopical and microtomographical techniques, together with videography, to analyse the musculoskeletal ovipositor system of the ectoparasitoid pteromalid wasp Lariophagus distinguendus (Förster, 1841) and the employment of its terebra during oviposition. The ovipositor consists of three pairs of valvulae, two pairs of valvifers and the female T9 (9th abdominal tergum).
View Article and Find Full Text PDFThe genus Sofiella gen. nov. (Hemiptera, Cicadellidae, Cicadellini) with description of two new species from Brazil.
Zootaxa
July 2023
Departamento de Zoologia; Universidade Federal do Paraná; Curitiba; PR; Brazil.
The Neotropical sharpshooter Sofiella gen. nov. is described and illustrated from the Araucaria moist forest in Southern and Southeastern Brazil (States of Paraná, Rio Grande do Sul and São Paulo) based on two new species, S.
View Article and Find Full Text PDFRedo Continent Ileostomy in Patients With IBD: Valuable Lessons Learned Over 25 Years.
Dis Colon Rectum
March 2023
Department of Colon and Rectal Surgery, Cleveland Clinic, Cleveland, Ohio.
Background: Patients with IBD with continent ileostomies may require revision surgeries. There remains a paucity of data regarding outcomes after redo continent ileostomy.
Objective: This study aimed to evaluate patient outcomes after redo continent ileostomy.
Hemangioma of the mitral valve: Following the murmur.
Rev Port Cardiol
September 2022
Serviço de Cirurgia Cardiotorácica do Hospital de Santa Cruz, Carnaxide, Portugal.
Cardiac hemangiomas are an exceedingly rare condition, with about 100 cases described in the literature, of which only 13 were valvular. We report the case of a 66-year-old woman, with no prior cardiovascular disease, who presented with an abdominal infection caused by Enterococcus faecalis, complicated by recrudescent fever and new-onset systolic mitral murmur. The transesophageal echocardiogram revealed a large vegetation on the posterior leaflet of the mitral valve, with a high embolic risk, leading to a diagnosis of acute endocarditis.
View Article and Find Full Text PDFOrganization of the Melanin concentrating hormone secreting neuronal system in the brain of the cichlid fish Oreochromis mossambicus.
J Chem Neuroanat
October 2022
Neuroendocrinology Research Laboratory, Department of Studies in Zoology, Karnatak University, Dharwad 580 003, India. Electronic address:
Melanin concentrating hormone (MCH) is a highly conserved cyclic peptide present in vertebrates. In this study, we describe the organization of MCH-immunoreactive (MCH-ir) cells and fibres in different regions of the brain in the cichlid fish Oreochromis mossambicus. Only MCH-ir fibres were observed in dorsal and ventral subdivisions of the telencephalon, the preoptic area and magnocellular and parvocellular divisions of the nucleus preopticus, and in hypothalamic areas such as the suprachiasmatic nucleus and tuberal area.
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