the aim of the present study was stereological evaluation of testes of azoospermic animal model using busulfan in rat. three groups of male adult rats were used in this study. the first group was injected by single dose of busulfan (10 mg kg-1) and their testes were removed on day 35 post injection. the second group received double doses of busulfan with 21 days interval and their testes were r...

A 30-year old infertile male was admitted for microsurgical sub inguinal varicocelectomy. Intraoperatively, two tubular structures of the caliber of neighboring veins were noted. They were distinct from the vas, which was carefully preserved. Histopathology revealed varicose veins along with two convoluted tubular structures lined by ciliated pseudo-stratified epithelium. There was an incomplet...

Nanowires (NWs) have unique electrical and optical properties of value for many applications including lighting, sensing, and energy harnessing. Consumer products containing NWs increase the risk of NWs being released in the environment, especially into aquatic ecosystems through sewage systems. Daphnia magna is a common, cosmopolitan freshwater organism sensitive to toxicity tests and represen...

Melanin concentrations were analyzed in the pigment epithelium of 61 postmortem normal human eyes from donors 14-97 yr of age. The content of soluble melanin in the pigment epithelium declined with age from the highest values of 95 micrograms/mg in the 14-50 yr age group to the lowest values of 22 micrograms/mg dry weight in the over 70 yr age group. In 16 of these eyes, regional measurements r...

A 32-year-old man presented with a floater in his right eye of 1-day duration. Examination revealed visual acuity 20/20 2 disc-diameter, pigmented, translucent, freely floating, oval cystic lesion the midvitreous (Fig A, inset showing magnified view). Ultrasonography highlighted nature an anechoic center and hyperechoic borders B) OCT well-defined hyperreflective structure hyporeflective lumen ...

Information regarding the domestic cat as a model animal in biomedical research has not been widely carried out. This study was aimed to see correlation between testicular weight, volume and total sperm count left testicle, right testicle both testes. In addition, this examine effect of weight on quantitative histomorphometry testes cats Indonesia. The results showed that there no difference Te...

Bothrops envenomation is complex and provokes prominent local tissue damage systemic disturbances, but little known about their effects on the male reproductive system. After intratesticular injection, bioactive peptide fraction (Bj-PF) obtained from jararaca snake venom changes structure of different stages seminiferous epithelium cycle in adult mice. For first time, we investigated whether Bj...

Freneau G.E., Carvalho S.F.M., Saboia-Morais S.M.T. & Freneau B.N. 2016. Aspects of spermatogenesis and microscopic testicular morphology in Greater Rhea, Rhea americana (Linnaeus, 1758). Pesquisa Veterinária Brasileira 36(10):1045-1052. Laboratório de Andrologia e Tecnologia do Sêmen, Escola de Veterinária e Zootecnia, Universidade Federal de Goiás, Campus Samambaia, Av. Esperança s/n, Campus ...