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SKIN DAMAGE IN ADULT AMPHIBIANS AFTER CHRONIC EXPOSURE TO ULTRAVIOLET RADIATION
TLDR
Stark epidermal hyperplasia was found in the newts irradiated at the lower fluence rate, and in the animals given the higher total fluence (group B), the most prominent skin changes were dermal fibrosis and irregular thinning and thickening of the epidermis.
Natural variation in the appendicular skeleton of Triturus carnifex (Amphibia: Salamandridae)
TLDR
At present, no conclusion can be drawn about the mechanisms, genetic and/or epigenetic, underlying the skeletal variability observed in the Triturus carnifex from northern and central Italy.
Liver tumors induced by a new beta-adrenoreceptor blocking agent in female rats.
A newly synthesized beta-adrenoreceptor blocking agent, DL-1-(2-nitro-3-methyl-phenoxy)-3-tert-butylamino-propan-2-ol (ZAMI 1305), administered intragastrically for 6 months induced hepatocellular
The toxicity of manganese ethylenebisdithiocarbamate to the adult newt,Triturus cristatus
TLDR
It has been hypothesized that an osmoregulatory breakdown and an impairment of cutaneous respiratory exchanges play a role in the death of the animals, and male newts seem to be less resistant to the toxicant than females.
Evaluation of the tumor-promoting activity of two beta-adrenoreceptor blocking agents, propranolol and atenolol, in liver of Fischer 344 rats.
TLDR
No definite conclusion can be drawn about the modifying potential of this beta-blocker on liver carcinogenesis due to the high incidence of liver tumors in rats given DEN alone and the small number of propranolol-treated rats that survived until the end of the experiment.
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