نتایج جستجو برای: polymelia
تعداد نتایج: 26 فیلتر نتایج به سال:
BACKGROUND Reports of malformed frogs have increased throughout the North American continent in recent years. Most of the observed malformations have involved the hind limbs. The goal of this study was to accurately characterize the hind limb malformations in wild frogs as an important step toward understanding the possible etiologies. METHODS During 1997 and 1998, 182 recently metamorphosed ...
Novaluron is an insect growth regulator (IGR) used against fruit-borers and domestic pests. In this study, effects of different concentrations (0.5, 0.75, 1.0, 1.5 microg l(-1)) of novaluron on the tail regeneration, limb development and metamorphosis were examined in Bufo melanostictus. Thyroxine (1.0, 2.0, 3.5, 5.0 microg l(-1)), which promotes amphibian development/metamorphosis, and vitamin...
Abstract Background Polymelia is an occasional and congenital malformation in bovine calves, characterized by the presence of single or multiple accessory limb(s) at various body regions, which are often called supernumerary limb(s). One these defects known as pygomelia, where additional limb attached to pelvis within perineal region. This study describes such a case along with surgical managem...
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