Published in Gen Comp Endocrinol on August 01, 1972
Nucleus suprachiasmaticus: the biological clock in the hamster? Science (1976) 1.44
Testicular function and pelage color have different critical daylengths in the Djungarian hamster, Phodopus sungorus sungorus. Endocrinology (1985) 0.93
A mathematical method for estimating paired testes weight from in situ testicular measurements in three species of hamster. Anat Rec (1985) 0.91
Maternal transfer of photoperiodic information influences the photoperiodic response of prepubertal Djungarian hamsters (Phodopus sungorus sungorus). Biol Reprod (1986) 0.88
Threshold photoperiods for the induction of short day traits in collared lemmings (Dicrostonyx groenlandicus). J Exp Zool (1993) 0.87
Hormonal control of osmoregulation in the channel catfish Ictalurus punctatus. Gen Comp Endocrinol (2001) 0.85
The neural clock regulating estrous cyclicity in hamsters: gonadotropin release following barbiturate blockade. Biol Reprod (1977) 0.85
Effects of exogenous and endogenous melatonin on gonadal function in hamsters. J Neural Transm Suppl (1986) 0.83
Circadian pacemaker times gonadotropin release in free-running female hamsters. Am J Physiol (1980) 0.82
Ultraviolet regulation of neuroendocrine and circadian physiology in rodents. Vision Res (1994) 0.82
Regulation of testis function in golden hamsters: a circadian clock measures photoperiodic time. Science (1972) 0.82
Time course of sensitivity of golden hamsters to melatonin injections throughout the day. Biol Reprod (1983) 0.81
Dissociation of the reproductive and prolactin photoperiodic responses in male golden hamsters. Biol Reprod (1994) 0.80
Hormonal regulation of the annual reproductive cycle of golden hamsters. Gen Comp Endocrinol (1981) 0.80
Prolactin release in golden hamsters: photoperiod and gonadal influences. Biol Reprod (1981) 0.80
Photoperiod-dependent negative feedback effects of thyroid hormones in Fundulus heteroclitus. Gen Comp Endocrinol (1985) 0.80
Pre- and postnatal effects of photoperiod on collared lemmings (Dicrostonyx groenlandicus). Am J Physiol (1994) 0.80
Gonadotropin release in prepubertal female mice following male exposure: a comparison with the adult cycle. Biol Reprod (1973) 0.79
Termination of photorefractoriness in golden hamsters-photoperiodic requirements. J Exp Zool (1977) 0.79
Response of collared lemmings to melatonin: I. Implants and photoperiod. J Pineal Res (1994) 0.79
A test of the coincidence and duration models of melatonin action in Siberian hamsters: the effects of 1-hr melatonin infusions on testicular development in intact and pinealectomized prepubertal Phodopus sungorus. J Pineal Res (2001) 0.79
Alteration of testicular response to long photoperiod by transient exposure to short photoperiod in collared lemmings (Dicrostonyx groenlandicus). J Reprod Fertil (1997) 0.79
Age, photoperiodic responses, and pineal function in meadow voles, Microtus pennsylvanicus. J Pineal Res (1989) 0.79
Photoperiodism and reproduction in golden hamsters: circadian organization and the termination of photorefractoriness. Biol Reprod (1976) 0.78
The estrous cycle in golden hamsters: a circadian pacemaker times preovulatory gonadotropin release. J Exp Zool (1977) 0.78
Photoperiodic regulation of hamster testis: circadian sensitivity to the effects of light. Biol Reprod (1975) 0.78
Cyclic gonadotropin release in the presence and absence of estrogenic feedback in ovariectomized golden hamsters. Biol Reprod (1978) 0.78
Maintenance of testicular function in Turkish hamsters: interaction of photoperiod and the pineal gland. Biol Reprod (1986) 0.78
Maternal transfer of photoperiodic information in Siberian hamsters. III. Melatonin injections program postnatal reproductive development expressed in constant light. Biol Reprod (1989) 0.78
Maternal transfer of photoperiodic information in Siberian hamsters. V. Effects of melatonin implants are dependent on photoperiod. Biol Reprod (1992) 0.78
Ontogeny of the pineal melatonin rhythm in golden hamsters. Biol Reprod (1981) 0.78
Hypothalamic-pituitary-gonadal interactions during spontaneous testicular recrudescence in golden hamsters. Biol Reprod (1979) 0.78
Effect of photoperiod on gonadal maintenance and development in the marsh rice rat (Oryzomys palustris). Gen Comp Endocrinol (1993) 0.78
Hormone release is tied to changes in cell size in the osmoreceptive prolactin cell of a euryhaline teleost fish, the tilapia, Oreochromis mossambicus. Gen Comp Endocrinol (2004) 0.78
Effects of short photoperiod on ATPase activities in the testis of the immature Siberian hamster. Biol Reprod (1992) 0.78
Endocrine effects of castration in white-crowned sparrows. Gen Comp Endocrinol (1971) 0.78
Effects of photoperiod, pinealectomy, and melatonin implants on testicular development in juvenile Siberian hamsters (Phodopus sungorus). Biol Reprod (1994) 0.77
Sensitivity of adult male Djungarian hamsters (Phodopus sungorus sungorus) to melatonin injections throughout the day: effects on the reproductive system and the pineal. Biol Reprod (1986) 0.77
Prolactin profiles during estrous cycle and pregnancy in hamster as measured by homologous RIA. Am J Physiol (1984) 0.77
Effects of prenatal and postnatal photoperiods and of the pineal gland on early testicular development in the marsh rice rat (Oryzomys palustris). Biol Reprod (1995) 0.77
Comparison of serum hormone titers in golden hamsters during testicular growth induced by pinealectomy and photoperiodic stimulation. Biol Reprod (1980) 0.77
Effects of photoperiod on pineal melatonin in the marsh rice rat (Oryzomys palustris). J Pineal Res (1995) 0.77
Functional specificity of gonadotropin and thyrotropin in Fundulus heteroclitus. Gen Comp Endocrinol (1985) 0.77
Prolactin--thyroid interaction in Fundulus heteroclitus. Gen Comp Endocrinol (1983) 0.77
A single injection of adrenergic agonists enhances pineal melatonin production in Turkish hamsters. J Pineal Res (1993) 0.77
The effect of daily injections and constant release implants of melatonin on the endogenous pineal melatonin rhythm in golden hamsters. Proc Soc Exp Biol Med (1983) 0.77
Role of the pineal and its hormone melatonin in the termination of photorefractoriness in golden hamsters. Biol Reprod (1983) 0.77
The peripubertal golden hamster and the transition between daily and estrous cycle hormone rhythms. Biol Reprod (1991) 0.77
Feedback regulation by oestradiol of ovarian function in Japanese quail. J Reprod Fertil (1972) 0.77
Maternal transfer of photoperiodic information in Siberian hamsters. IV. Peripubertal reproductive development in the absence of maternal photoperiodic signals during gestation. Biol Reprod (1990) 0.77
Functional maturation of the gonads of Turkish hamsters under various photoperiods. Biol Reprod (1986) 0.77
Plasma gonadotropins in prenatal and prepubertal female mice: disorganization of pubertal cycles in the absence of a male. Endocrinology (1974) 0.76
Photoperiod and melatonin affect testicular growth in the marsh rice rat (Oryzomys palustris). J Pineal Res (1994) 0.76
Daily rhythms of follicle-stimulating hormone in adult anestrous and prepubertal female Turkish hamsters (Mesocricetus brandti). Biol Reprod (1992) 0.76
Effects of age and photoperiod on reproduction and the spleen in the marsh rice rat (Oryzomys palustris). Am J Physiol Regul Integr Comp Physiol (2001) 0.76
Influence of photoperiod, time, and sex on hormone concentrations in collared lemmings (Dicrostonyx groenlandicus). Gen Comp Endocrinol (1996) 0.76
Influence of photoperiod on reproductive development in the golden hamster. Biol Reprod (1980) 0.76
Role of prolactin and the gonads in seasonal physiological changes in the collared lemming (Dicrostonyx groenlandicus). J Exp Zool (1993) 0.76
Circadian organization and female reproductive cyclicity. Adv Exp Med Biol (1978) 0.76
Effect of photoperiod, testosterone, and estradiol on body mass, bifid claw size, and pelage color in collared lemmings (Dicrostonyx groenlandicus). Gen Comp Endocrinol (1994) 0.76
Neonatal androgen abolishes clock-timed gonadotrophin release in prepubertal and adult female hamsters. J Reprod Fertil (1985) 0.76
Development of collared lemmings, Dicrostonyx groenlandicus, is influenced by pre- and postweaning photoperiods. J Exp Zool (1993) 0.76
Daily luteinizing hormone release in ovariectomized hamsters: effect of barbiturate blockade. Biol Reprod (1981) 0.76
Hormonal control of photoperiodically induced fat deposition in white-crowned sparrows. Gen Comp Endocrinol (1972) 0.76
The effects of prolactin and TSH on thyroid function in Fundulus heteroclitus. Gen Comp Endocrinol (1977) 0.76
Influence of near-ultraviolet radiation on reproductive and immunological development in juvenile male Siberian hamsters. J Exp Biol (2001) 0.76
The impact of photoperiods and melatonin on gonadal development in juvenile Turkish hamsters (Mesocricetus brandti). J Pineal Res (1998) 0.75
Detailed diurnal rhythm of sensitivity to melatonin injections in Turkish hamsters, Mesocricetus brandti. J Pineal Res (1987) 0.75
Maturation of the clock-timed gonadotropin release mechanism in hamsters: a key event in the pubertal process? Endocrinology (1980) 0.75
Termination of gonadal refractoriness in Turkish hamsters, Mesocricetus brandti. Biol Reprod (1988) 0.75
Pineal gland and melatonin affect testicular status in the adult marsh rice rat (Oryzomys palustris). Gen Comp Endocrinol (1995) 0.75
Presence of an intrapineal circadian oscillator in the teleostean family Poeciliidae. Gen Comp Endocrinol (1999) 0.75
Serum FSH and LH in male mice following aggressive and nonaggressive interaction. Physiol Behav (1973) 0.75
Twenty four-hour rhythm of gonadotropin release induces cyclic progesterone secretion by the ovary of prepubertal and adult golden hamsters. Endocrinology (1984) 0.75
Spontaneous testicular regression in collared lemmings (Dicrostonyx groenlandicus) exposed to prolonged long photoperiod. J Reprod Fertil (1998) 0.75
The neuroendocrine control of clock-timed gonadotropin release in the female Syrian hamster: role of serotonin. J Endocrinol (1997) 0.75
Hypothalamic regulation of testicular function in Japanese quail. Z Zellforsch Mikrosk Anat (1972) 0.75
Correlative changes in the response to castration and the onset of refractoriness in male golden hamsters. Neuroendocrinology (1981) 0.75
The anovulatory hamster: a comparison of the effects of short photoperiod and daily melatonin injections on the induction and termination of ovarian acyclicity. J Exp Zool (1981) 0.75
Neuroendocrine control of photoperiodically induced fat deposition in white-crowned sparrows. J Exp Zool (1971) 0.75
The role of the median eminence in control of photoperiodically induced testicular growth in the white-crowned sparrow. Zonotrichia leucophrys gambelii. Z Zellforsch Mikrosk Anat (1969) 0.75
Release of amino acids and related compounds from the adrenal equivalent and caudal vein of the eel in vitro. Comp Biochem Physiol C Pharmacol Toxicol Endocrinol (1995) 0.75
Recovery of gonadal function following hypothalamic lesions in Japanese quail. Gen Comp Endocrinol (1973) 0.75
Temporal relationship between the onset of daily gonadotrophin surges and of puberty in female golden hamsters. J Endocrinol (1986) 0.75
Investigations of the regulation of specific 2-[125I]iodomelatonin binding sites in Siberian hamsters by endogenous and exogenous melatonin. Brain Res (1993) 0.75
Effects of ovariectomy on clock-timed daily gonadotropin rhythms in prepubertal golden hamsters. Biol Reprod (1985) 0.75
Simulation of peak pineal melatonin release restores sensitivity to evening melatonin injections in pinealectomized hamsters. Endocrinology (1983) 0.75
Melatonin-induced suppression of gonadotropin titers in male golden hamsters: effect on gonadal feedback mechanisms. Life Sci (1981) 0.75
Thyroid hormone clearance kinetics in adult sea lampreys, Petromyzon marinus. Gen Comp Endocrinol (1982) 0.75
Ontogeny of the gonadal response of golden hamsters to short photoperiod, blinding, and melatonin. Biol Reprod (1982) 0.75
Regulation of tonic gonadotropin release in prepubertal female hamsters. Endocrinology (1982) 0.75
Hypothalamic regulation of gonadotropin release in female Japanese quail. Z Zellforsch Mikrosk Anat (1972) 0.75
Dissociation of spontaneous testicular recrudescence and photorefractoriness in the Syrian hamster. J Reprod Fertil (1996) 0.75
Response of collared lemmings to melatonin: II. Infusions and photoperiod. J Pineal Res (1994) 0.75
Naloxone administration to female hamsters advances puberty by enhancing luteinizing hormone release. Proc Soc Exp Biol Med (1986) 0.75
Melatonin injection into Syrian hamsters. Prog Clin Biol Res (1982) 0.75
Properties of the melatonin-generating system of the sailfin molly, Poecilia velifera. Gen Comp Endocrinol (1999) 0.75
Photoperiodic regulation of thyroid responsiveness to TSH in Fundulus heteroclitus. J Exp Zool (1985) 0.75
Formation of secondary neurohemal organs in the median eminence of the white-crowned sparrow and Japanese quail. Gen Comp Endocrinol (1969) 0.75