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Journals and Conferences
Larvae of Xenopus laevis at stages 50-53 were lentectomized and then injected with tritiated thymidine at various times after lentectomy. In series I, the animals were injected 1,2,3,4,6,8,10,12,15, or 17 days after lens removal and fixed three hours after injection. Autoradiograpns of serial cross sections through the eyes were prepared. Increased… (More)
En examinant par électrophorèse en gel de polyacrylamide les protéines solubles de la rétine neurale et du cerveau du poulet au cours de sa croissance, nous avons comparé 15 bandes nettement visibles dans la série de ces deux tissus; 8 furent très semblables et 7 notablement différentes.
The production of microvilli on the developing chick anterior corneal epithelium is drastically accelerated by the administration of exogenous thyroxine and the effects are seen as early as 2 days after injection. Thiouracil administration slightly retards the production of microvilli though its effects are not so pronounced.
Osmotic minipumps were used to administer thyroxine to the chick embryo. This technique proved to be a convenient and efficacious method for the delivery of soluble agents to the chorioallantoic membrane. The thyroxine induced the precocious appearance of extensive cell sloughing by the corneal epithelium.