نتایج جستجو برای: histomorphology of testis

تعداد نتایج: 21165836  

2017
Jing-Wen Zhang Ru Yan Yu-Sheng Tang Yong-Zhen Guo Yue Chang Li Jing Yi-Li Wang Jian-Zhong Zhang

It has been reported that hyperhomocysteinemia (HHcy) is associated with neurodegenerative and cardiovascular diseases. However, little is known about brain histomorphology, neuronal organelles, and hairy enhancer of split ( hes) expression under HHcy. In this study, non-HHcy and HHcy induced by high-methionine diet in apolipoprotein E-deficient (Apo E-/-) mice were comparatively investigated. ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علم و فرهنگ - دانشکده زیست شناسی 1392

ناباروری( infertility) یکی از جدی ترین مشکلات اجتماعی در کشورهای پیشرفته است.تقریبا15% از زوج ها با موارد مختلف ناباروری مواجه میشوندو علت 50% از ناباروری این زوج ها مربوط به فاکتورهای وابسته به مردان است. بر اساس تحقیقات موجود علل ناباروری در مردان بیشتر در طی فرایند اسپرماتوژنز ( spermatogenesis) صورت می گیرد. تغییرات ژنتیکی در ژنهایی که در این فرایند درگیر هستند نقش مهمی در اختلالات روند اس...

Journal: :Journal of Dhaka Medical College 2018

Journal: :veterinary research forum 2013
magda mahmoud ali omar khaled mohamed ahmed hassanein abdel-razek khalifa abdel-razek haroon ali yousef hussein

unilateral orchidectomy (uo) is required when further breeding potential is important. it is sometimes necessary to remove a single testis in a matured stallion for therapeutic reasons. in this study, twelve donkeys were used to evaluate three techniques of unilateral castration, histological and morphological changes on the remaining testis. results of the study showed that each of the surgica...

Journal: :international journal of reproductive biomedicine 0
forouzan absalan mansoureh movahedin seyed javad mowla

background: in most mammals, the testis is always maintained at a lower temperature than that in the abdomen, and exposure of the testis to body temperature causes degeneration of germ cells. objective: in this research, the long effect of heat exposure on sperm parameters and microstructure of mouse testis were investigated. cryptorchid mouse were induced by exposure to abdominal heat. materia...

2004
Pradeep Vaideeswar

Background: A combination of epithelial cells and lymphocytes results in a varied histomorphology of thymomas and consequent varied classification systems. Aim: To correlate the Marino and Muller-Hermelink (MMH) classification with the invasive behaviour of

Journal: :iranian red crescent medical journal 0
fatemeh saraei department of biology, islamic azad university, north tehran branch, tehran, ir iran mehrangiz sadoughi department of biology, islamic azad university, north tehran branch, tehran, ir iran gholamreza kaka neurosciences research center, baqiyatallah university of medical sciences, tehran, ir iran; neurosciences research center, baqiyatallah university of medical sciences, tehran, ir iran. tel/fax: +98-2126127286 seyed homayoon sadraie department of anatomy, baqiyatallah university of medical sciences, tehran, ir iran mohsen foaddodini department of physiology, birjand university of medical sciences, birjand, ir iran

conclusions our data showed that inhalation of diazinon during pregnancy increased the hepatocyte area and hepatocyte apoptosis while it decreased the sinusoid area of the fetal liver. materials and methods twenty-five pregnant balb/c mice (25 - 30 gr) were divided into five equal groups in the animal lab of baqiyatallah university of medical sciences, tehran, iran. the normal group was without...

Journal: :iranian journal of basic medical sciences 0
xiaoyan le college of science, guangdong ocean university, zhanjiang, china ping luo college of science, guangdong ocean university, zhanjiang, china yipeng gu college of science, guangdong ocean university, zhanjiang, china yexing tao college of science, guangdong ocean university, zhanjiang, china huazhong liu college of science, guangdong ocean university, zhanjiang, china

objective(s):cyclophosphamide (cp) toxicity on testis was hampered by squid ink polysaccharide (sip) via restoration of antioxidant ability in our previous investigations. this study investigated roles of nrf2/are signal pathway in testis of treated mice. materials and methods: male kunming mice were employed to undergo treatment with sip and/or cp. protein levels of nrf2, keap-1, histone deace...

2017
Eirwen M. Miller Yumei Fu Ruben Barrera Vera Gary L. Goldberg Rouzan G. Karabakhtsian

BACKGROUND Leiomyosarcomas (LMS) and endometrial stromal sarcomas (ESS) may display overlapping histomorphology, which may challenge diagnostic accuracy. Since LMS and ESS have vastly different clinical behavior and adjuvant therapy recommendations, accurate diagnosis is critical. CASE We present the case of an 83-year-old female with postmenopausal bleeding who underwent total abdominal hyst...

Journal: :iranian journal of veterinary research 2016
g.c. okpe d.n. ezeasor

quantitative histology of the descended testis of unilateral cryptorchid bucks was compared with testis of normal bucks to evaluate the reproductive potentials of the scrotal testis in unilateral cryptorchids, using light microscopy techniques. the contralateral scrotal testes of the unilateral cryptorchids and the testes of the normal bucks contained profiles of seminiferous epithelium and eac...

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