increase in the pituitary and the degree of degranulation of the chromophilic cells, together with a reduction in their relative percentages and an increase in that of the chromophobes, were more marked in the rats which received estrin alone than in those which received both estrin and male ...
Sex-specific metabolic responses to 6 hours fasting during the active phase in young mice Night time/active phase food restriction for 6 h impaired glucose intolerance in young male and female mice. Females displayed increased capacity for lipog... T Freire,AM Senior,R Perks,... - 《Journal...
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 ...
Sexually mature virgin adult males of the green stink bug, Acrosternum hilare attracted sexually mature virgin adult females in laboratory bioassays using a vertical Y-tube. There was no indication that males attracted other males, or that females attracted either sex. These results suggested that ...
BACKGROUND: The XX male disorder of sex development (DSD) is a rare condition that is most commonly associated with the presence of the SRY gene on one of the X chromosomes due to unequal crossing-over between sex chromosomes during spermatogenesis. However, in about 20% of the XX male ind...
Male-male sex, bestiality and incest in the early-modern Indonesian Archipelago: perceptions and penalties 来自 Semantic Scholar 喜欢 0 阅读量: 13209 作者: Boomgaard, P 摘要: In May 2012 in the Coachella valley, Riverside County, California, the decline of vines in table grape (Vitis vinifera...
The external morphology and internal structure of the male sexual tube of the hermit crab Micropagurus acantholepis, a member of the family Paguridae from Australian waters, is described in detail using histological thick sectioning and scanning and transmission electron microscopy techniques. This is...
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 ...
L.barbicornis was found to be highly abundant in the warmer months, between November and May, but showed a peak in abundance in February and March in each year. The sex ratio was consistently male-biased throughout the breeding season (mean sex ratio between seasons 0.59±0.02). Univariate ...
Condoms may not be used, particularly when having sex with a partner who was considered to be good looking or perceived as 'clean'. Conclusions: The study highlights the need for HIV prevention programs which address issues of sexual meaning in male-to-male sexual relationships. CSIRO 2008. ...