In this study, the authors examined late atretic follicles in ovaries of Atlantic bluefin tuna, Thunnus thynnus (Linnæus 1758), at different times year using transmitted light and epifluorescence microscopy. Atresia (degeneration resorption developing ovarian follicles) is a natural process involved fecundity downregulation teleosts substantially enhanced stressful conditions. Early (? ?) stage...

background: nicotine exposure causes impaired fertility and ovarian dysfunction. the aim of this study was to investigate the possible protective role of melatonin, which is known as an antioxidant agent on altered ovarian functions upon nicotine exposure. methods: a total of 32 female adult nmri mice were divided randomly into four groups (n=8). the control group received vehicle, while group ...

Background: Histological and histometrical effects of Fennel Essential Oil (FEO) on ovary structure were studied during postnatal development in female wistar rats. Materials and Methods: For this purpose, the female rats, after parturition divided in control, sham and experimental groups with equal number of female pups for each mother at random. Sham 1 and experimental 1 groups consisted of m...

The otter shrews are members of the subfamily Potamogalinae within the family Tenrecidae. No description of the ovaries of any member of this subfamily has been published previously. The lesser hedgehog tenrec, Echinops telfairi, is a member of the subfamily Tenrecinae of the same family and, although its ovaries have not been described, other members of this subfamily have been shown to have o...