نتایج جستجو برای: structure of testis
تعداد نتایج: 21223452 فیلتر نتایج به سال:
among the low–dimensional allotropes of carbon, nanotubes and graphene have attracted very much attention from nano–science and nanotechnology specialists. they have been proposed as building blocks in nanometer device engineering. however, these structures are not defect–free. in this thesis, we focused on defective carbon nanotubes and graphene, and studied the effect of couple of very common...
Taphozous longimanus (Hardwicke) is a continuous breeder as males show full spermatogenic activity throughout the year. Microscopic study of testis reveals that immature, pre-breeding and sexually active males occur round the year. The testis shows variations in its structure during the different stages of breeding activity. In the pre-breeding period, testis shows various stages of spermatogen...
background: quantum dots (qds) are new types of fluorescent materials for biological labeling. qds toxicity study is an essential requirement for future clinical applications. therefore, this study aimed to evaluate cytotoxic effects of cdse: zns qds on male reproductive system. materials and methods: in this experimental study, the different concentrations of cdse: zns qds (10, 20 and 40 mg/kg...
Background Quantum dots (QDs) are new types of fluorescent materials for biological labeling. QDs toxicity study is an essential requirement for future clinical applications. Therefore, this study aimed to evaluate cytotoxic effects of CdSe: ZnS QDs on male reproductive system. MaterialsAndMethods In this experimental study, the different concentrations of CdSe: ZnS QDs (10, 20 and 40 mg/kg) we...
Effects of Icariin on Histomorphometric Changes of Testis and Prostate Induced by Acrylamide in Mice
Background and Aims: This study aimed to observe the effect of Icariin on histomorphometric changes of testis and prostate induced by Acrylamide. Materials and Methods: Male mice were divided into four groups (n=8): A is the control group and does not get any treatment, B is the sham group and only received drinking water. C group received Acrylamide 10 mg/kg. D group received Acrylamide 15 mg...
Quantitative microscopic structure of testis in adult Arabian rams, raised under closed grazing system in Khuzestan province of Iran, was studied in four seasons over a one year period. For this purpose, thirty adult rams were randomly selected and the live weight and scrotal circumference of rams were recorded. At the beginning of each season, among the study group, four rams were randomly sel...
1. to determine whether difference in birth body mass influenced growth performance in pipistrellus kuhlii we studied a total of 12 captive-born neonates. bats were assigned to two body mass groups: light birth body mass (lbw: 0.89 ± 0.05, n=8) and heavy birth body mass (hbw: 1.35 ± 0.08, n=4). heavier body mass at birth was associated with rapid postnatal growth (body mass and forearm length) ...
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