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Effects of experimental cryptorchidism and subsequent orchidopexy on seminiferous tubule functions in the lamb
experimental cryptorchidism subsequent orchidopexy seminiferous tubule functions lamb
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2009/2/23
The reversibility of damage caused by cryptorchidism to the seminiferous tubules of the lamb was investigated at various ages. Lambs were made bilaterally cryptorchid either at birth or at 2 month...
Effect of cryptorchidism and orchidopexy on inhibin secretion by rat Sertoli cells
cryptorchidism orchidopexy inhibin secretion rat Sertoli cells
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2009/2/19
The present study explored the effects of experimental bilateral cryptorchidism (of 21-, 28-, and 35-days duration) and orchidopexy (14 and 42 days) in the adult rat on the secretion of inhibin by c...
Effect of cryptorchidism and orchidopexy on inhibin secretion by rat Sertoli cells
cryptorchidism orchidopexy inhibin secretion rat Sertoli cells
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2009/2/19
The present study explored the effects of experimental bilateral cryptorchidism (of 21-, 28-, and 35-days duration) and orchidopexy (14 and 42 days) in the adult rat on the secretion of inhibin by c...
Modification of Sertoli Cell Responsiveness to FSH by Cryptorchidism and Hypophysectomy in Immature and Adult Rats
rat cryptorchidy hypophysectomy cAMP Sertoli cell
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2009/2/19
Cryptorchid or hypophysectomized rats were used as models to examine the possible relationships between germ cell development and gonadotropins in the agerelated decline in the responsiveness of t...
The Effects of Experimental Cryptorchidism on the Entry of [3H]-Inulin and [3H]-Horseradish Peroxidase into the Lumen of the Rat Seminiferous Tubules
cryptorchidism blood-testis barrier rat testicle seminiferous tubule
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2009/2/19
The objective of this research was to determine if experimental cryptorchidism causes significant changes in the rat blood-testis barrier. Micropuncture of the seminiferous tubules of normal, sham...
Experimental cryptorchidism in the adult mouse. III. Qualitative and quantitative electron microscopic morphology of Leydig cells
Experimental cryptorchidism adult mouse Leydig cells
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2009/2/7
The morphology of Leydig cells of control and 28-day-old cryptorchid mice was studied by electron microscopy and stereologic techniques. Leydig cell profiles of control mice were larger in section...
Experimental cryptorchidism in the adult mouse：II. A hormonal study
Leydig cells FSH LH testosterone hCG radioimmunoassay
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2009/2/6
Serum follicle-stimulating hormone (FSH), luteinizing hormone (LH), and testosterone levels and secretory capacity of the in vitro stimulated testis were determined in control and bilateral cryptorc...
Experimental cryptorchidism in the adult mouse：I. Qualitative and quantitative light microscopic morphology
Testis Leydig cells stereology hyperplasia,hypotrophy
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2009/2/6
Morphologic changes in the testes of adult mice after experimentally induced cryptorchidism were studied by light microscopy and stereology. Increasing duration of cryptorchidism resulted in a gradu...
Experimental cryptorchidism protects against long-term 2,5-hexanedione-induced testicular germ cell loss in the rat
cryptorchidism experimental cryptorchidism
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2009/2/6
Male infertility is a common side effect of aggressive cancer chemotherapy. One possible approach to decreasing gonadal injury in this setting is the production of artificial cryptorchidism (elevati...
cAMP response of cultured Sertoli cells from immature and adult hamsters. Effect of hypophysectomy and cryptorchidism
cultured Sertoli cells immature and adult hamsters hypophysectomy cryptorchidism
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2009/2/6
The ability of FSH to stimulate cAMP accumulation in Sertoli cells cultured from either hamsters or rats declines with the age of the animal. Hypophysectomy or bilateral cryptorchidism of immature r...
Epididymal growth and differentiation are altered in human cryptorchidism
Epididymal growth differentiation human cryptorchidism
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2008/12/26
Despite the knowledge and histological classification of testicular lesions, epididymal lesions associated with cryptorchidism are not well defined and only macroscopic alterations have been reporte...
Experimental cryptorchidism inhibited growth of the rat ventral prostate
Experimental cryptorchidism rat ventral prostate
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2008/12/25
Adult Sprague-Dawley male rats, weighing about 350 g, were rendered cryptorchid by suturing the testes to the lateral abdominal wall. Twenty-eight days later, cryptorchidism resulted in a signific...
Cryptorchidism and Semen Quality：A TEM and Molecular Study
Undescended testes FISH sperm quality electron microscopy
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2008/12/24
Cryptorchidism is a pathological condition defined as the failure of the testis to descend into the scrotum, the location of the cryptorchid testis can be in the inguinal canal or in the prescrot...
Association of Long Polyglycine Tracts（GGN Repeats）in Exon 1 of the Androgen Receptor Gene With Cryptorchidism and Penile Hypospadias in Iranian Patients
CAG repeats testicular dysgenesis syndrome molecular diagnosis
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2008/12/24
Hypospadias (a urethral orifice located along the ventral side of the penis) and cryptorchidism (failure of the testes to descend into the scrotal sacs) are the 2 most common congenital malformat...
Overexpression of Endothelial Nitric Oxide Synthase in Transgenic Mice Accelerates Testicular Germ Cell Apoptosis Induced by Experimental Cryptorchidism
Immunoblotting TUNEL spermatocytes spermatids spermatogonia
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2008/12/23
Surgical induction of cryptorchidism in experimental animals causes testicular germ cell apoptosis and infertility. The mechanisms of germ cell apoptosis have been associated with oxidative stress o...