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Influence of photoperiod, ambient temperature and melatonin on testosterone synthesis and release during reproductive maturation in male deer mice
photoperiod ambient temperature melatonin testosterone synthesis reproductive maturation male deer mice
2009/2/23
Four experiments were designed to investigate the influence of photoperiod and other environmental factors on androgen production and reproductive maturation in deer mice. Male prairie deer mice (Pe...
Repair of experimental varicoceles in the rat. Long-term effects on testicular blood flow and temperature and cauda epididymidal sperm concentration and motility
varicocele varicocele repair rat testis
2009/2/23
The effects of varicocele and varicocele repair on testicular blood flow, temperature, sperm counts, and sperm motility were assessed in adult male rats. The duration of the experimental varicocele ...
Cryopreservation extenders affect calcium flux in bovine spermatozoa during a temperature challenge
Milk egg yolk-Tris indo-1 acetoxymethyl ester cold
2009/2/13
Bovine spermatozoa are commercially cryopreserved by diluting the cells in media, known as extenders, followed by slow cooling and freezing. Previous work has shown that this process of cryopreser...
Effect of Posture and Clothing on Scrotal Temperature in Fertile Men
Scrotum testis human thermoregulation
2008/12/24
Investigation of the effects of body position and clothing on the temperature of the scrotum has given discordant results. The aim of the present study was to evaluate these effects in 13 fertile ma...
Influence of Various Permeating Cryoprotectants on Freezability of Iberian Red Deer（Cervus elaphus hispanicus）Epididymal Spermatozoa: Effects of Concentration and Temperature of Addition
Ethylene glycol glycerol propylene glycol sperm cryopreservation
2008/12/24
With the aim of finding an ideal cryoprotectant (CPA) in a suitable concentration for red deer epididymal spermatozoa cryopreservation, we evaluated the effects of the 3 most commonly used CPAs, ...
Increase in Testicular Temperature and Vascularization Induced by Hypobaric Hypoxia in Rats
Reproduction hyperthermia angiogenesis high altitude
2008/12/23
The exposure of male rats to continuous chronic hypobaric hypoxia (HH) and intermittent chronic hypobaric hypoxia induced evident changes in testicular morphology and spermatogenic cell metabolism...
Immortalized Epididymal Cell Lines From Transgenic Mice Overexpressing Temperature-Sensitive Simian Virus 40 Large T-Antigen Gene
Epididymis immortalized cell line transgenic mouse SV40T-antigen
2008/12/16
Epididymal epithelium is well known as a site of secretion of various proteins present in epididymal luminal fluid. Although there have been many reports of primary cultures of epididymal epithelial c...