نتایج جستجو برای: testes

تعداد نتایج: 10561  

2015
Nevzat Can Şener Okan Bas Nihat Karakoyunlu Hakan Ercil Suleyman Yesil Kursad Zengin Abdurrahim Imamoglu

Objectives. To report our experience and present the largest series of testicular torsion cases in the inguinal canal. Material and Methods. The clinical data of 13 patients with testicular torsion in the inguinal canal treated between 2005 and 2013 were reviewed. Recorded patient age, whether the testes were palpable or not, side of the affected testes, the presence of hernia, ischemia time, a...

Journal: :The Journal of biological chemistry 1973
W S Kistler M E Geroch H G Williams-Ashman

A unique acid-soluble basic protein was detected in the testes of sexually mature rats and a number of other mammalian species. This protein was not found in comparable acid extracts prepared from many other rat organs or from the testes of juvenile rats. It makes its appearance only after spermatids are evident in normally developing testes and is absent from the gonads of male rats rendered a...

Journal: :Journal of visualized experiments : JoVE 2014
Poojitha Sitaram Sarah Grace Hainline Laura Anne Lee

Drosophila melanogaster is a powerful model system that has been widely used to elucidate a variety of biological processes. For example, studies of both the female and male germ lines of Drosophila have contributed greatly to the current understanding of meiosis as well as stem cell biology. Excellent protocols are available in the literature for the isolation and imaging of Drosophila ovaries...

2017
Ayano Hirako Yuki Takeoka Satoshi Furukawa Akihiko Sugiyama

Adult male medaka (Oryzias latipes) were exposed to 10 ppm of cadmium for 96 h, and the testes were examined histopathologically. Numerous apoptotic cells were found in the spermatogonia and spermatocytes at 72 and 96 h after initiation of cadmium exposure, and the pyknotic index, TUNEL-positive rate, and cleaved caspase-3-positive rate in the spermatogonia and spermatocytes of the cadmium-trea...

2007
P. L. Wolfe M. W. Wolfe T. T. Stumpf J. A. Stotts R. J. Kittok R. K. Johnson

The objective of the present study was to investigate endocrine control of LH in postpubertal boars with large testes. Eight boars with the highest estimated paired testis weights from a line selected for large testes and nine boars from a line selected at random were used. Blood samples were collected over a 13-h period at weekly intervals for 4 wk. Samples were collected at 12-min intervals f...

Journal: :Endocrinology 2004
Charles M Allan Alvaro Garcia Jenny Spaliviero Fu-Ping Zhang Mark Jimenez Ilpo Huhtaniemi David J Handelsman

Defining the gonadal effects of FSH distinct from those of LH remains difficult. We have characterized and compared the level of Sertoli and germ cell development in three mouse models recently created to isolate FSH activity from LH effects. Two models used LH-deficient hypogonadal (hpg) mice to selectively study either pituitary-independent transgenic (tg) FSH or ligand-independent activated ...

Journal: :The Biochemical journal 1966
J Brown P McLean A L Greenbaum

The activities of hexokinase, citrate-cleavage enzyme, ;malic enzyme' and NADP-linked isocitrate dehydrogenase have been measured in the adipose tissue, testes and adrenals of normal rats, hypophysectomized rats and hypophysectomized rats treated with either thyroxine or thyroxine plus luteinizing hormone. Hypophysectomy reduced the activity of all four enzymes in all three tissues. Thyroxine a...

2007
Prashasnika Gehlot Dhanraj Soyal

The Aloe vera has been used as traditional medicine for past several years for the treatment of various ailments. Modulatory effects of Aloe vera leaf extract against radiation –induced changes in terms of histological alterations in testes, reduced Glutathione(GSH), Lipid per oxidation(LPO), Acid and Alkaline phosphatase levels in Swiss albino mice was studied at various post-irradiation inter...

Journal: :International braz j urol : official journal of the Brazilian Society of Urology 2003
Daniel G Bittencourt Márcio L Miranda Ana P P Moreira Shoji Miyabara J M Bustorff-Silva

OBJECTIVE Evaluate the results from the first 5 years of experience with laparoscopy for diagnosis and treatment of nonpalpable testes. MATERIALS AND METHODS Medical records of 51 patients submitted to laparoscopic testicular exploration, during a 5-year period, were retrospectively analyzed. Patients' mean age was 65.7 months (median = 48) on the first procedure. The youngest patient was 10 ...

Journal: :Journal of reproduction and fertility 1968
J L Fleeger J P Bishop W R Gomes N L VanDemark

were analysed for wet and dry weight, total lipid, total, free and esterified cholesterol, total carboxyl ester, lipid phosphorus and triglyceride. The translocated testes decreased in wet and dry weight (P<0\m=.\001) and total lipid content (P< 0\m=.\001)6 days after surgery. Lipid concentration increased (P<0\m=.\01)in translocated testes, as did concentrations of total cholesterol (P<0\m=.\0...

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