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Decompression incidence in air- and liquid-breathing hamsters
decompression Fluorocarbons liquid breathing breathing animal hamster
2009/7/15
The effects of hyperbaric compression on heart rate, rectal temperature, respiratory rate, bubble formation, and survival were studied in three groups of anesthetized golden hamsters (Mesocricetus aur...
A Histological and Histochemical Study of Tooth Movement in Hamsters
Tooth Movement Hamsters
2009/3/12
A Histological and Histochemical Study of Tooth Movement in Hamsters.
Thyroid Influence on Bone Histology during Tooth Movement in Hamsters
Thyroid Influence Bone Histology Tooth Movement Hamsters
2009/3/10
This study was supported by U. S. Public Health Service Grant DE02702 from the National Institute of Dental Research, National Institutes of Health, Bethesda, Maryland. From a thesis in partial fu...
Cholinergic inhibition of cAMP accumulation in Sertoli cells cultured from immature hamsters
Sertoli cell cAMP muscarinic receptors FSH hamsters testis
2009/2/23
Acetylcholine inhibits FSH-induced cAMP accumulation in cultured Sertoli cells from immature hamsters. This action of acetylcholine is mimicked by muscarinic cholinergic agonists with a rank order o...
Reproductive responsiveness to short photoperiod develops postnatally in male golden hamsters
Reproductive responsiveness short photoperiod develops male golden hamsters
2009/2/23
The development of the reproductive response to short photoperiod in golden hamsters was examined by monitoring testis size in hamsters that were either: raised on 14L:10D from birth; raised on 6L:1...
Periodic exposure to a brief light signal stimulates neuroendocrine-gonadal activity in golden hamsters
photoperiodism circadian rhythms hamsters seasonal reproduction neuroendocrine-gon
2009/2/20
The photoperiodic effects of a periodic light pulse on neuroendocrine-gonadal activity in the male golden hamster was examined using a night interruption paradigm. Adult male hamsters that had been ho...
(+)-Gossypol was isolated from the bark of Thespesia populnea and tested for its ability to inhibit the fertility of male hamsters. Male hamsters of proven fertility were treated orally for 54 days ...
Focal Changes in the Seminiferous Tubules of Vasectomized Hamsters
vasectomy testis seminiferous tubules hamster
2009/2/19
The hamster testis was studied by light and electron microscopy at intervals of two weeks, five months, and one year after vasectomy. No changes were detected at two weeks, but most testes showed mi...
Sperm motion predicts fertility in male hamsters treated with alpha-chlorohydrin
Sperm motion predicts fertility male hamsters alpha-chlorohydrin
2009/2/17
An understanding of the relationship between altered sperm motion and sperm function (fertility) is important when interpreting the biological significance of toxicant-induced changes in sperm veloc...
Polyamine levels in testes and seminal vesicles from adult golden hamsters during gonadal regression-recrudescence
Polyamines ornithine decarboxylase N-acetyl polyamines androgens testis seminal vesicles golden hamster
2009/2/17
The exposure of golden hamsters to short days results in early regression of the reproductive organs and subsequent spontaneous recrudescence characterized by active cellular regeneration and diff...
Pituitary-testicular axis in cardiomyopathic Syrian hamsters
Pituitary-testicular axis cardiomyopathic Syrian hamsters
2009/2/11
Testicular function and other endocrine parameters were studied in cardiomyopathic hamsters. In these animals, the major defect is an intracellular calcium overload, which is due to defective voltag...
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
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...
ADOLESCENT BUT NOT ADULT HAMSTERS ARE MORE AGGRESSIVE ON LOW DOSE OF FLUOXETINE, HINTING AT REASONS FOR TROUBLING TEENAGE RESPONSES TO COMMON ANTI-DEPRESSANT DRUG
teenagers anti-depressant fluoxetine hydrochloride
2006/11/13
October 15, 2006，WASHINGTON, DC— New research offers ADOLESCENT BUT NOT ADULT HAMSTERS ARE MORE AGGRESSIVE ON LOW DOSE OF FLUOXETINE, HINTING AT REASONS FOR TROUBLING TEENAGE RESPONSES TO COMMON ANTI-...