It has recently been reported that injection of male sex hormone simultaneously with estrin into normal female rats partially suppressed the characteristic histologic reaction of the anterior pituitary to estrin. 1 2 The degree of weight increase in the pituitary and the degree of degranulation of the...
that contracting STDs was independently associated with self-identified as homosexual,having had sex with a male casual partner in the past 6 months,and having ever been to a gay bathhouse.Conclusion Risky sexual behaviors are common among university MSM students and interventions are urgently needed...
Male-Produced Sex Attractant Pheromone of the Green Stink Bug, Acrosternum hilare (Say) 来自 NCBI 喜欢 0 阅读量: 153 作者:HL Mcbrien,JG Millar,L Gottlieb,C Xin,RE Rice 摘要: Sexually mature virgin adult males of the green stink bug, Acrosternum hilare attracted sexually mature virgin adult...
For to understand male youngsters sex hor- mone level and its relationship with sex and physi- cal development,using radioimmunoassay,serum sex hormone FSH,LH,PRL,T E2 were deter- mined in 8-19 years old 128 male youngsters.And their sex development degree and physical deelop- ment status ...
Background Male sex workers (MSW) are particularly exposed to sexually transmitted infections (STI) including HIV. In the Netherlands, data about STI among MSW are scarce. We estimated chlamydia, gonorrhoea, syphilis and HIV diagnoses among MSW attending STI clinics and determined associated factors ...
In many male paguroids of the fami- Ues Paguridae and Coenobitidae, elongate tube- like extensions called sexual tubes are found on the coxae. The sexual tubes of C. perlatus and C. clypeatus of the Coenobitidae are here investigat- ed at the histological and SEM level for the ...
This study, the third of a multi-part series on male sexual tubes in hermit crabs, the external morphology of the tube of the western Atlantic Catapagurus sharreri A. Milne-Edwards, 1880 is documented using scanning electron microscopy. The male of this species has an unpaired right sexual ...
By using a mixed methodology, the current study sought to explore the sexual experiences, sexual conduct and safer/unsafe sex practices of Ethiopian male and female undergraduate students in the context of the HIV/AIDS pandemic rampant in the country. To that end, the study investigated: college...
Changes in lifetime immunocompetence in male and female Gryllus texensis (formerly G. integer ): trade-offs between immunity and reproduction Determining whether males make energetic trade-offs between immunity and reproduction remains difficult, partly because of the complexity of the vertebrate... SA...
a dichotomy that rests squarely on the assumption that nature (sex) can be neatly and definitively separated from culture (gender)-- and that the categories of female/male and woman/man are both mutually exclusive and exhaustive (everyone is one or the other, never neither and never both)....