The Effects of Low Atmospheric Pressure on the Fertility of Male Rabbits

Walton, Arthur; Uruski, W.

doi:10.1097/00006254-194708000-00102

Cited by 8 publications

(10 citation statements)

References 4 publications

(7 reference statements)

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“…He therefore concluded that the delay in appearance of these abnormalities represented the time of migration of spermatozoa through the epididymis. Walton & Uruski (1946) reached similar conclusions after subjecting rabbits to low atmospheric pres¬ sures. The present results do not substantiate such a claim being made as far as experimental cryptorchidism in rabbits is concerned.…”

Section: Methodssupporting

confidence: 52%

Spermatozoa From the Isolated Cauda Epididymidis of Rabbits and Some Effects of Artificial Cryptorchidism

Glover¹

1960

Reproduction

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Section: Methodssupporting

confidence: 52%

Spermatozoa From the Isolated Cauda Epididymidis of Rabbits and Some Effects of Artificial Cryptorchidism

Glover¹

1960

Reproduction

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“…All these changes may compromise the fertility of the animals (Walton & Urusky;Farías et al, 2005b).…”

Section: Discussionmentioning

confidence: 99%

“…In sumary, reproductive parameters are altered by HH (Walton & Urusky;Farías et al, 2005b), with a probable decrease in mice fertility.…”

Section: Discussionmentioning

confidence: 99%

“…The classical studies on this matter have considered experimental conditions imitating extreme altitudes, where human or animal life is limited or even impossible ( Walton & Urusky, 1946;Attland, 1949). In 1968, Monge & Monge (1968) showed that mature spermatozoas are not affected by HH, whereas Bustos-Obregon & Olivares described in 1982 a great damage in mature spermatozoa, specially in exposition times above fifteen days.…”

Section: Introductionmentioning

confidence: 99%

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Effects of Chronic Simulated Hypobaric Hypoxia on Mouse Spermatogenesis

et al. 2006

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SUMMARY:Reduction of O2 delivery to tissues damage them, including the seminiferous epithelium. Recently, population working in high altitude has increased, so that the study of hypobaric hypoxia on spermatogenesis becomes of interest. In this study we used two groups of male, sexually mature mice Control (C) (540 meters above sea level (masl)) and chronic simulated hypobaric hypoxia (CSHH) (4,600 masl) exposed during 8, 16, 24 or 33 days. Hematocrit; reticulocytosis; testicular, epididymal and seminal vesicle weight; seminiferous epithelium height, tubular diameter, sperm count and morphology and testicular parenchyme and spermatozoa membranes lipoperoxidation were measured. Weight of testis, epididymis and seminal vesicle were reduced but they recuperate at 33 days. Tubular diameter and epithelial height are reduced, subsequently they tend to increase without returning to normal values. The count and sperm morphology fluctuate along the exposure time. Lipoperoxidation levels of spermatozoa and testicular parenchyme are reduced. Therefore, we can conclude that exposure to CSHH induce damage in the seminiferous epithelium, decrease of lipoperoxidation in spermatozoa and testicular tissue, and damages the testicular and sperm morphology.

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“…Experiments have shown that damage to the testes, resulting in defective spermatogenesis, is produced in laboratory animals by maintenance under conditions of reduced atmospheric pressure (Walton & Uruski, 1946). The operative factor appears to be reduced oxygen tension.…”

Section: Altitudementioning

confidence: 99%