نتایج جستجو برای: cobitidae
تعداد نتایج: 126 فیلتر نتایج به سال:
We compare the ontogeny of hyopalatine arch in representatives Otophysi to shed light on homology so-called quadrate-metapterygoid fenestra, QMF. Described initially as a character characiforms (tetras and allies), presence QMF has also been reported for cobitid loaches handful cyprinids among cypriniforms, well few clupeoids. In is either already present an opening palatoquadrate cartilage ear...
Germ cell-deficient fish usually develop as phenotypic males. Thus, the presence of germ cells is generally considered to be essential for female gonadal differentiation or the maintenance of ovarian structure. However, little is known of the role of germ cells in the determination of the sexual fate of gonadal somatic cells. We have established an inducible germ cell deficiency system in the l...
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