## Abstract Histochemical characteristics of the integumentary mucous glands of the leopard frog (__Rana pipiens__) are described so that their role in water balance can be better understood. Mucus is acidic, due to its content of sulfate and carboxylic acids. The carbohydrate moiety contains perio
The effect of prolactin on color and skin pteridines in the frog, Rana pipiens
β Scribed by Patricia Stocking Brown
- Book ID
- 113156873
- Publisher
- Elsevier Science
- Year
- 1976
- Tongue
- English
- Weight
- 825 KB
- Volume
- 28
- Category
- Article
- ISSN
- 0016-6480
No coin nor oath required. For personal study only.
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## Abstract Frogs and tadpoles (__Rana pipiens__) were treated with mammalian prolactin or growth hormone for several days, then injected with ^14^Cβleucine. Fourteen to sixteen hours later the animals were killed and the amount of label incorporated into protein of muscle, liver, and gut was measu
## Abstract Anemias were induced in __Rana pipiens__ hemolytically and by repetitive bleedings. Maximal rates of oxygen consumption ( max) declined with anemia. The pattern of decline in max with anemia did not closely approximate theoretical predictions of systematic oxygen transport. Anemic frogs