Objective(s) In recent years concerns have been raised regarding the incidence of male reproductive disorders from exposure to endocrine disruptors. So, chronic effects of di(2-ethylhexyl)phthalate were studied on histological and stereological structure of testis in adult Wistar rats. Materials and Methods Thirty two adult Wistar rats were randomly divided in four equal experiment groups; oil ...

At the onset of puberty, seminiferous tubules rapidly increase in diameter, thereby occupying a greater proportion of the testis, resulting in a rapid increase in testicular size. The objective of the current studies was to evaluate ultrasonography for assessing testicular diameter, as a basis for ranking boars relative to their extent of pubertal development. In the initial study, prior to cas...

Cryptorchidism results in impaired fertility. Reduced numbers of testicular germ cells can be shown histologically during the first years of life. The process causing germ cell loss in cryptorchid prepubertal boys is unknown, but it could be the result of a form of programmed cell death known as apoptosis. 25 adult men with a history of surgically treated cryptorchidism were studied, 15 of whom...

In early fetal development, the testis secretes - independent of pituitary gonadotropins - androgens and anti-Müllerian hormone (AMH) that are essential for male sex differentiation. In the second half of fetal life, the hypothalamic-pituitary axis gains control of testicular hormone secretion. Follicle-stimulating hormone (FSH) controls Sertoli cell proliferation, responsible for testis volume...

You have accessJournal of UrologySexual Function/Dysfunction: Basic Research & Pathophysiology (PD62)1 Sep 2021PD62-10 THE ROLE OF MTOR IN DIFFERENTIATION SPERMATOZOA Karen Doersch, Kadijah Abston, Hannah Kim, Amanda Pereira, Xiaoyang Su, and Xin Zhiguo Li DoerschKaren Doersch More articles by this author , AbstonKadijah Abston KimHannah Kim PereiraAmanda Pereira SuXiaoyang Su LiXin View All Au...

The testis is the special male gonad responsible for spermatogenesis and steroidogenesis with complex gene expressions. Characterizing and comparing the testis-specific genes in different species can reveal key genes related to testis specific functions and provide supplementary information for study of human testis function. We screened testis-specific genes from Unigene libraries, total 317, ...

Abstract Autoimmune diseases play a critical role in the progression of infertility both sexes and their severity has been reported to increase with age. However, few reports have discussed effect on morphological features testis. Therefore, we compared alterations testes autoimmune model mice (MRL/MpJ-Fas lpr ) control strain (MRL/MpJ) those background (C57BL/6N) at 3 6 months. Furthermore, an...

CONTEXT In male patients with congenital adrenal hyperplasia (CAH), testicular adrenal rest tumors (TART) are frequently present. These tumors can interfere with testicular function. Intensifying glucocorticoid therapy does not always lead to tumor regression and improvement of testicular function. Recently, testis-sparing surgery was introduced for treatment of TART. OBJECTIVE The aim of thi...

Erkeklerde spermatogenezin normal şekilde gerçekleşebilmesi için testislerin karın boşluğu dışında, vücuttan 2-3°C düşük sıcaklıkta skrotum adı verilen kese içerisine inmeleri gerekmektedir. Testis iniş mekanizması türler arasında farklılık göstermekle birlikte, intrabdominal seviyeden skrotuma hormonal ve mekanik etkilere bağlı olarak transabdominal inguinoskrotal evreler sonunda gerçekleşmekt...

introduction: undescended testis is a common problem in children. cryptorchid testis is frequently accompanied by gross morphologic changes with regard to the size and shape of the testis, various degree of detachment between the epididymis and testis. we assessed the epididymal anomalies and patency of process vaginalis in boys with udt.   material &method;: it is a prospective study which was...