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Seminiferous Epithelium

Troxerutin protect sperm, seminiferous epithelium and pituitary-gonadal axis from torsion-detorsion injury: An experimental study

Troxerutin protect sperm, seminiferous epithelium and pituitary-gonadal axis from torsion-detorsion injury: An experimental study

... Materials and Methods: 40 Male Wistar rats (2 month old) were divide to four groups (n=10). Group1 (sham), Group 2 (control, ischemia-reperfusion (I/R) without treatment), Group 3 (I/R+150 mg/kg of troxerutin), and group ...

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Histological and Physiological Studies on the Effects of Some Energy Drinks on Male Rats

Histological and Physiological Studies on the Effects of Some Energy Drinks on Male Rats

... Scanty seminiferous epithelium with little elongated spermatids towards the ...Scanty seminiferous epithelium with little elongated spermatids towards the ...

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ALUMINIUM CHLORIDE-INDUCED TESTICULAR EFFECTS IN RATS: A HISTOMORPHOMETRICAL STUDY

ALUMINIUM CHLORIDE-INDUCED TESTICULAR EFFECTS IN RATS: A HISTOMORPHOMETRICAL STUDY

... shrunken seminiferous tubules with a wavy outline, severe degeneration, necrosis and sloughing of spermatogenic cells in seminiferous epithelium, with reduction in the number of luminal ...the ...

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Dose dependent effects of pentabrominated diphenyl ethers on sexual hormone and histology of male reproductive system in rats

Dose dependent effects of pentabrominated diphenyl ethers on sexual hormone and histology of male reproductive system in rats

... organ coefficient increased, serum hormone levels lower, PCNA positive expression reduced, and the degeneration of seminiferous epithelium were revealed in treated group. These indicators with significant ...

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Morphologic changes due to human chorionic gonadotropin in the rat testis: Role of vascular endothelial growth factor

Morphologic changes due to human chorionic gonadotropin in the rat testis: Role of vascular endothelial growth factor

... and third week of treatment. Significant variations were also observed in the mean prostate weight, whereas mean seminal vesicles weight was significant in the S2 and S3 groups respect to control. In the hCG treated rats ...

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Follicle stimulating hormone increases spermatogonial stem cell colonization during in vitro co-culture

Follicle stimulating hormone increases spermatogonial stem cell colonization during in vitro co-culture

... Suitable populations of Sertoli cells and SSCs could be obtained from 3 to 5 months old calves, because the seminiferous epithelium of calves’ testis contains two distinct cell types: type-A SSCs and ...

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Qualité du gamète testiculaire

Qualité du gamète testiculaire

... : The proliferation of spermatogonia in normal and pathological h u m a n seminiferous epithelium: an immunohistochemical study using monoclonal anti- bodies against [r] ...

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STUDY OF GALACTOMANNAN ON ANDROGENIC AND ANABOLIC  ACTIVITY IN MALE RATS

STUDY OF GALACTOMANNAN ON ANDROGENIC AND ANABOLIC ACTIVITY IN MALE RATS

... The testes of rats treated with vehicle, testosterone or galactomannan showed normal features with successive stages of transformation of the seminiferous epithelium into spermatozoa w[r] ...

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Organ culture of seminiferous tubules using a modified soft agar culture system

Organ culture of seminiferous tubules using a modified soft agar culture system

... lated seminiferous tubules with only one epithelial bar- rier (58 μm in mice) can be valuable, especially in terms of ensuring appropriate perfusion and maintaining the three compartments of the ...

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miR 18, a member of Oncomir 1, targets heat shock transcription factor 2 in spermatogenesis

miR 18, a member of Oncomir 1, targets heat shock transcription factor 2 in spermatogenesis

... Spermatogenesis is a complex process involving dramatic changes in cell proliferation, differentiation and morphology. It takes place in the seminiferous epithelium of the testis and is divided into three ...

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Busulfan induced azoospermia: Stereological evaluation of testes in rat

Busulfan induced azoospermia: Stereological evaluation of testes in rat

... (germinal epithelium) and luminal regions and cross sectional area of the tubules were ...the seminiferous epithelium and lumen, number of profiles of seminiferous tubules per unit area of ...

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Cisplatin Induce Changes of Cell Surface Glycoconjugates in Germinal Epithelium of Seminiferous Tubules

Cisplatin Induce Changes of Cell Surface Glycoconjugates in Germinal Epithelium of Seminiferous Tubules

... in seminiferous epithelium, loss of intercellular junction between Sertoli cells, decrease in the height of germinal epithelium, tubular shrinkage, germ cell degeneration, interstitial edema, ...

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The potential gonadoprotective effects of grape seed extract against the histopathological alterations elicited in an animal model of cadmium-induced testicular toxicity

The potential gonadoprotective effects of grape seed extract against the histopathological alterations elicited in an animal model of cadmium-induced testicular toxicity

... the seminiferous epithelium, which was confirmed by the mean diameter of STs and the percent of the normal ...the seminiferous epithelium and decrease in the tubular lumen 36 hours after ...

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Morphological alterations in the seminiferous tubules of adult Wistar rats: the effects of prenatal ethanol exposure

Morphological alterations in the seminiferous tubules of adult Wistar rats: the effects of prenatal ethanol exposure

... General growth retardation due to prenatal ex- posure to ethanol has been previously reported [9, 31, 33, 40]. This retardation persists into adulthood [31]. All dams successfully littered with an overall average of 6 ...

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Mesenchymal stem cells repair germinal cells of seminiferous tubules of sterile rats

Mesenchymal stem cells repair germinal cells of seminiferous tubules of sterile rats

... The repair mechanism is not clear however, it may be due to either proliferation of alive SSCs by growth factor that produced by MSCs or direct differentiation of MSCs to spermatogonia. The blood-testis barrier may help ...

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Mapping the distribution of stem/progenitor cells across the mouse middle ear during homeostasis and inflammation

Mapping the distribution of stem/progenitor cells across the mouse middle ear during homeostasis and inflammation

... Fig. 3. High levels of Sox2 expression and Wnt activity restricted to the endodermally derived part of the middle ear. (A-D) Whole-mount preparation of auditory bullae (AB) at P21 after ear drum removal showing the ...

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Evidence for a Specific Seminiferous Tubular Factor Affecting Follicle Stimulating Hormone Secretion in Man

Evidence for a Specific Seminiferous Tubular Factor Affecting Follicle Stimulating Hormone Secretion in Man

... A state of increased FSH, germinal cell aplasia, and normal Leydig cell function thus provide direct evidence for a seminiferous tubular factor which specifically affects FSH secretion i[r] ...

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Morphometrical Study of Seminiferous Tubules of Mice After Using Arsenic and Chlorophytum Borivilianum.

Morphometrical Study of Seminiferous Tubules of Mice After Using Arsenic and Chlorophytum Borivilianum.

... The testis was fixed in Bouin's fixative and embedded in paraffin wax. Sections of 5 µm thickness were taken from testis and stained with hematoxylin and eosin and examined under a light microscope. Quantitative study of ...

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Influence of energy balance on the antimicrobial peptides S100A8 and S100A9 in the endometrium of the post-partum dairy cow.

Influence of energy balance on the antimicrobial peptides S100A8 and S100A9 in the endometrium of the post-partum dairy cow.

... The post-partum period is critical for subsequent fertility in dairy cows, as the resumption of ovarian cyclicity and uterine recovery are both essential before conception can occur again (Sheldon 2004). Uterine ...

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Mechanobiology of the corneal epithelium

Mechanobiology of the corneal epithelium

... Several studies have shown that the mechanical characteristics of the substrate on which cells adhere can influence their phenotype (Discher et al., 2005; Engler et al., 2006). Early studies using corneal epithelial cells ...

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