...Aude Noiret; Fabienne Aujard; Jeremy Terrien ABSTRACT The ‘thrifty female hypothesis’ states that females preserve more of their energy reserves during winter than males because of the sex-specific time frame of energy allocation for reproduction. As males reactivate their reproductive axis before...

... and disease’ (DOHaD) is at stake and therefore requires a paradigm shift. Maternal obesity and malnutrition predispose offspring to develop metabolic syndrome, a vicious cycle leading to transmission to subsequent generation(s), with differences in response and susceptibility according to the sex...

... times were slower in males than in females. Male ECR muscles incompletely relaxed during fatigue tests and showed less fatigue than female muscles. These sex differences are likely to be beneficial to the male frogs in allowing them to produce relatively high absolute muscle forces for prolonged periods...

...Daisuke Uchida; Michiaki Yamashita; Takeshi Kitano; Taisen Iguchi SUMMARY Large numbers of apoptotic early diplotene oocytes were observed during the transition from ovary-like undifferentiated gonadal tissue to testes during sex differentiation in presumptive males of the zebrafish (Danio rerio...

... volumes) and an increased ability of the heart to work against higher output pressures. Power output per gram ventricle mass was similar in both sexes. * Present address: Department of Zoology, University of Queensland, Brisbane 4072, Australia. 2 7 1992 © 1992 by Company...