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Changes in the physiological regulation of body volume in Rana pipiens during ontogeny and metamorphosis

Book ID
112572972
Publisher
Springer Vienna
Year
1928
Tongue
English
Weight
65 KB
Volume
4
Category
Article
ISSN
0033-183X

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Pigmentation changes in tadpoles of Rana
Pigmentation changes in tadpoles of Rana pipiens following centrifugation during the early gastrula
✍ H. W. Beams; R. L. King πŸ“‚ Article πŸ“… 1938 πŸ› John Wiley and Sons 🌐 English βš– 657 KB

## Abstract Centrifuging the eggs of Rana pipiens in the early gastrula stage prevents the formation of the hypophysis in some of the tadpoles. The absence of the melanophorotropic hormone normally secreted by the hypophysis seems to be responsible for the contraction of the pigment cells. In addit