Impairment of Testicular Function in the White Rat Chronically Exposed to a Low Ambient Temperature

Dugal, L. P.; Saucier, G; Desmarais, A; Léveillé, A.

doi:10.1139/y62-036

Cited by 2 publications

(1 citation statement)

References 10 publications

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“…The testis weight was reduced after testo¬ sterone treatment possibly due to suppression of pituitary gonadotrophin release. The exposure of the animals to cold did not produce cryptorchism in contradiction to the observation of Dugal et al (1962). The fall in testis weight was partly a reflexion of the fall in body weight since the relative testis weight showed a significant increase after cold exposure.…”

Section: Discussioncontrasting

confidence: 51%

The Androgenic Response of the Genital Accessory Organs of Thyroxine-Treated and Castrated Rats Exposed to Cold

Das¹,

Perrault²

1971

Journal of Endocrinology

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The role of the thyroid in cold-induced atrophy of the genital accessory organs and the protection by treatment with testosterone against such atrophy have been evaluated in intact and castrated male rats.Treatment with thyroxine or exposure to cold reduced the weight and some of the activities of the genital accessory organs in intact but not in castrated rats.Testosterone propionate implants not only protected these organs from the cold-induced atrophy but also stimulated them beyond the level of intact controls kept at room temperature.The weight and some functions of the genital accessory organs of testosterone-treated castrated rats were decreased after cold exposure.These changes were more pronounced when thyroxine was administered simultaneously. The results suggest that the cold-induced atrophy of the accessory organs is due to the release of excess thyroid hormone and that implants of testosterone propionate can prevent this atrophy.

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Section: Discussioncontrasting

confidence: 51%

The Androgenic Response of the Genital Accessory Organs of Thyroxine-Treated and Castrated Rats Exposed to Cold

Das¹,

Perrault²

1971

Journal of Endocrinology

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Effect of Severe Cold (−5 °c) on the Endocrine Function of the Testis in the Albino Rat

Perrault

Dugal

1962

Can. J. Biochem. Physiol.

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Cryptorchism, caused surgically, and cold exposure have been studied separately and in combination: the morphological characteristics, organ weights, and histological appearance of the testes and of the main sexual accessories have been evaluated. Physiological information derived from morphological data reveals that the effect of cold is twofold: (a) somatic or non-endocrine and (b) purely endocrine; the two effects are superimposed and additive, but distinct. Thus, the gonadal response of the male rat to cold, within the time limit of the present investigation, assumes the appearance of a "physiological castration".

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Impairment of Testicular Function in the White Rat Chronically Exposed to a Low Ambient Temperature

Abstract: not available

Cited by 2 publications

References 10 publications

The Androgenic Response of the Genital Accessory Organs of Thyroxine-Treated and Castrated Rats Exposed to Cold

The Androgenic Response of the Genital Accessory Organs of Thyroxine-Treated and Castrated Rats Exposed to Cold

Effect of Severe Cold (−5 °c) on the Endocrine Function of the Testis in the Albino Rat

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