Results 111 to 120 of about 13,462 (242)

Bilateral Spermatocyte Seminoma: A Case Report

open access: yes, 2017
Spermatocyte seminoma is rare pathologic presentation of testicular cancer. We report a case of bilateral testicular seminoma in an 18-year-old man with thoracolumbar metastases.
Goudiaby, C.; Department of Urology, Hopital General de Grand Yoff   +10 more
core  

Spatiotemporal Expression of ARRDC5 in Mammalian Spermatogenesis

open access: yesAndrology, EarlyView.
ABSTRACT Background Spermiogenesis is the final phase of sperm development during which haploid round spermatids transform into specialized spermatozoa and occurs across distinct stages of sperm production in the seminiferous epithelium. Abnormalities in this process lead to malformations and an inability of sperm to fertilize eggs.
LeeLa D. Robinson, Jon M. Oatley
wiley   +1 more source

Efek amfetamin terhadap ultrastruktur sel spermatogenetik tikus

open access: yesJournal of Biological Researches, 2001
The research was conducted to evaluate the effect of amphetamine as pshycostimulan drug on ultrastructure spermatogenic cells of male rats (Rattus norvegicus L.). Ultrastructure spermatogenic cells described from six male rats of Wistar strain. They were
Alfiah Hayati
doaj   +1 more source

The Impact of Common Medications on Male Fertility: An Updated Systematic Review

open access: yesAndrology, EarlyView.
ABSTRACT Background Compared with those of cytotoxic treatments, the potential effects of common medications on the fertility of men trying to conceive currently or planning to conceive in the future are less well described. The use of common medications may modify the gonadotropic axis, spermatogenesis, and epididymal maturation or alter male ...
Lina Jebli   +7 more
wiley   +1 more source

Propylthiouracil-induced hypothyroidism delays apoptosis during the first wave of spermatogenesis

open access: yesBiological Research, 2011
Mammalian germ cell apoptosis plays a key role in controlling the correct number of germ cells supported by Sertoli cells during the first wave of spermatogenesis in mammalian puberty.
Doris Silva   +3 more
doaj  

Ekspresi spermatogenesis tikus putih setelah induksi dengan protein insulin Like Growth Factor-I Complex plasma seminalis kambing

open access: yesJournal of Biological Researches, 2012
The objective of this research was to analyzed the expression of spermatogenesis on white rat after inducted by Insulin Like GrowthFactor-I (IGF-I) Complex protein from goat seminal plasm. This research consisted of two phase.
Suherni Susilowati
doaj   +1 more source

A CCNA1 Missense Variant Associated With Chromatid Non‐Disjunction in Abnormal‐Headed Sperm and Male Infertility

open access: yesAndrology, EarlyView.
ABSTRACT Background Macrozoospermia is a rare form of teratozoospermia characterized by tetraploids, large‐headed spermatozoa with multiple flagella, usually caused by bi‐allelic AURKC mutations. The etiology of atypical phenotypes with a lower proportion of large headed spermatozoa and single flagella however often remains unresolved.
Aurore Perrin   +14 more
wiley   +1 more source

Anatomical and Histological Structures of the Male Reproductive System of Chalcophora mariana (Linnaeus, 1758) (Coleoptera: Buprestidae): Light and Scanning Electron Microscopy Study

open access: yesActa Zoologica, EarlyView.
ABSTRACT This study presents the first detailed morphological analysis of the male reproductive system of Chalcophora mariana (Linnaeus, 1758) using stereo microscopy, light microscopy, and scanning electron microscopy. The male reproductive system of C.
Hicret Arslan, Selami Candan
wiley   +1 more source

Anatomical and Histological Descriptions of the Male Reproductive System of the Alfalfa Weevil of Hypera postica (Gyllenhal, 1813) (Coleoptera: Curculionidae) Using Light and Scanning Electron Microscopies

open access: yesActa Zoologica, EarlyView.
ABSTRACT Features of the reproductive organs, such as the number of testicular follicles, testis colour and the morphology of the glands, can be used as systematic characters. For this purpose, this paper was the first description of the male reproductive system anatomy and histology of Hypera postica (Gyllenhal, 1813) (Coleoptera: Curculionidae), a ...
Nurcan Özyurt Koçakoğlu   +3 more
wiley   +1 more source

PFOS-mediated suppression of SOX30 impairs DNA double-strand break repair leading to male reproductive dysfunction

open access: yesEcotoxicology and Environmental Safety
Perfluorooctanesulfonic acid (PFOS), a persistent organic pollutant and representative per- and polyfluoroalkyl substance (PFAS), is ubiquitously detected in the environment and human tissues, and mounting evidence has implicated it in male reproductive ...
Kangle Liu   +14 more
doaj   +1 more source

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