Search Results - "Lisk, Robert D."

Organization and expression of agonistic and socio-sexual behavior in golden hamsters over the estrous cycle and after ovariectomy by Takahashi, L K, Lisk, R D

“…Pairs of hamsters were housed in large enclosures that contained separate male and female living areas and observed over the 4-day estrous cycle and after…”
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Determinants of Mating Success in the Golden Hamster (Mesocricetus auratus ): II. Pregnancy Initiation by Huck, U. William, Lisk, Robert D

“…One purpose of this study was to investigate the initiation of pregnancy in virgin and multiparous female golden hamsters. A second purpose was to investigate…”
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Androgen and estradiol levels in plasma and amniotic fluid of late gestational male and female hamsters: uterine position effects by Vomachka, A J, Lisk, R D

“…Using radioimmunoassay we have measured the plasma and amniotic fluid levels of androgen and estradiol in male and female hamster fetuses nearing parturition…”
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Localization of Hypothalamic Sites for the Estrogen-Priming of Sexual Receptivity in Female Hamsters by Floody, Owen R, Blinn, Nancy E, Lisk, Robert D, Vomachka, Archie J

“…Ovariectomized female hamsters received small unilateral implants of estradiol at a variety of anterior-posterior levels of the medial preoptic area and…”
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Neural localization for androgen activation of copulatory behavior in the male rat by Lisk, R D

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Facilitation of lordosis by estradiol in the mesencephalic central gray by Floody, O R, Lisk, R D, Vomachka, A J

“…Ovariectomized female hamsters received unilateral implants of estradiol aimed at the mesencephalic central gray (MCG). Postoperative levels of lordosis and…”
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Differences in Behavioral Responses to a Competitive Mating Situation in Two Species of Dwarf Hamster (Phodopus campbelli and P. sungorus ) by Wynne-Edwards, Katherine E, Lisk, Robert D

“…Social groups consisting of a female and two adult males, of two closely related species, Phodopus campbelli and P. sungorus , were observed during a 2-hr…”
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Determinants of Mating Success in the Golden Hamster (Mesocricetus auratus ): I. Male Capacity by Huck, U. William, Lisk, Robert D

“…Rested adult golden hamsters produced a mean of 13 ejaculations and then showed a modified copulatory pattern consisting of long intromissions (10-30 s of…”
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Intrasexual interactions among female golden hamsters (Mesocricetus auratus) over the estrous cycle by Takahashi, Lorey K, Lisk, Robert D

“…Examined social interactions of cycling female golden hamsters paired with ovariectomized animals ( N  = 96) in large enclosures. Interactions were primarily…”
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Mating-Induced Inhibition of Receptivity in the Female Golden Hamster ( Mesocricetus auratus ): II. Stimuli Mediating Short-Term Effects by Huck, U. William, Lisk, Robert D, Thierjung, Christina

“…In the female golden hamster, mating with an intact male results in reduced receptivity toward a second male (short-term effect) and an absolute abbreviation…”
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Mate Choice, Mate Guarding and Other Mating Tactics in Golden Hamsters Maintained Under Seminatural Conditions by Lisk, Robert D, Huck, U. William, Gore, Andrea C, Armstrong, Michael X

“…Abstract Female hamsters freely interacting with a triad of males which had established a dominance hierarchy mated first and received more ejaculates from the…”
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Effect of the Interintromission Interval on Lordotic Response and Attack Latency in Golden Hamsters (Mesocricetus auratus ) by Huck, U. William, Lisk, Robert D, Parente, Eric J

“…After 12-15 ejaculatory series, each consisting of several short intromissions (2- to 3-s vaginal penetration) and an ejaculation, male golden hamsters adopt…”
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Mechanisms regulating sexual activity in mammals by Lisk, Robert D.

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Diencephalic placement of estradiol and sexual receptivity in the female rat by Lisk, Robert D

“…1 Department of Biology, Princeton University, Princeton, New Jersey Behavioral receptivity, as indicated by the presence of the lordosis reflex, could be…”
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Progesterone may act at hypothalamus and pituitary by way of enhancement of oestrogen retention by REUTER, LAWRENCE A, LISK, ROBERT D

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Determinants of Mating Success in the Golden Hamster ( Mesocricetus auratus ): III. Female Acceptance of Multiple Mating Partners by Huck, U. William, Lisk, Robert D, Parente, Eric J, Principato, Deborah E

“…Female golden hamsters that have actively terminated mating with one male will solicit copulations from two or more novel males. Whereas most male mammals can…”
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Inhibitory Centers in Sexual Behavior in the Male Rat by Lisk, Robert D.

“…Small lesions placed near the diencephalic, mesencephalic junction, in either the lateral or medial mammillary region, resulted in an increase of copulatory…”
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The effects of sensitization and social isolation on maternal behavior in the virgin rat by Herrenkohl, L R, Lisk, R D

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REPRODUCTIVE CAPACITY AND BEHAVIOURAL OESTRUS IN THE RAT BEARING HYPOTHALAMIC IMPLANTS OF SEX STEROIDS by LISK, R D

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Oestrogen Receptors in Androgen or Oestrogen Sterilized Female Rats by McGUIRE, JOHN L, LISK, ROBERT D

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