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Respiration of the Parts of the Hybrid Gastrula Rana pipiens x R. sylvatica

โœ Scribed by Sze, L. C.


Book ID
121145823
Publisher
American Association for the Advancement of Science
Year
1953
Tongue
English
Weight
122 KB
Volume
117
Category
Article
ISSN
0036-8075

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Pigmentation changes in tadpoles of Rana
โœ H. W. Beams; R. L. King ๐Ÿ“‚ Article ๐Ÿ“… 1938 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 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