The organ culture of the rat ventral prostate was chosen as a model to determine whether any of the estrogen effects in vivo on the prostate are direct and expressed at the hormone concentrations normally found in the male. During 2 weeks of culture, estradiol at the high concentration of 105...
Sex chromosomes are predicted to play a central role in sexual dimorphism. Sex determination in spinach is controlled by a pair of sex chromosomes. However, the mechanisms of sex determination in spinach remain poorly understand. Here, we assembled the genomes of both a female (XX) and a male...
Male and female aggression: lessons from sex, rank, age, and injury inTI Male and female aggression: lessons from sex, rank, age, and injury in olive baboons 喜欢 0 阅读量: 54 作者:MacNulty,DR,Bosacker,AL,Lehman,C,Bailey,A,Collins,DA,Packer,MacCormick,HA ...
For several weeks prior to ovulation, the urine and cervical mucus of female Asian elephants contain extractable chemical agents of low volatility that elicit a high frequency of flehmen responses from bull elephants as an integral part of mating. Subsequent to flehmen responses, male sexual arousal...
Male and female avian brood parasites are subject to different selection pressures: males compete for mates but do not provide parental care or territories and only females locate hosts to lay eggs. This sex difference may affect brain architecture in some avian brood parasites, but relatively littl...
Safe sex: male–female coalitions and pre-copulatory mate-guarding in a fiddler crab 来自 NCBI 喜欢 0 阅读量: 90 作者:RNC Milner,MD Jennions,PRY Backwell 摘要: In fiddler crabs both males and females defend territories that are essential for survival. Given pronounced sexual dimorphism in ...
Four experiments were carried out to test the stimulatory effects of 8-OH-DPAT on various aspects of "masculine" sexual behavior of male and female rats and on the sexual attractivity of male rats. In Experiment 1 8-OH-DPAT (0.2 mg/kg) stimulated ejaculation frequency in middle-aged (approx...
HrCRY2 was significantly expressed in female flower buds only while HrCO had significant expression in male flowers only. Among the three male and female floral development stages (FDS), male stage II had significant expression of most of the GISD. Information on these sex-specific expressed ...
Male-to-Female Sex Reassignment Surgery using the Combined Vaginoplasty Technique: Satisfaction of Transgender Patients with Aesthetic, Functional, and Sex... Lelle´ et al., "Male-to-Female Sex Reas- signment Surgery using the Combined Vaginoplasty Technique: Satisfaction of Transgender Patients with...
Sex, Eyes, and Vision: Male/Female Distinctions in Ophthalmic Disorders 来自 Semantic Scholar 喜欢 0 阅读量: 1605 作者:Eisner,Alvin 摘要: There is growing recognition: (1) that sex (male and female) and sex hormones (and ) are important for physiologic functions outside those pertaining ...