INFLUENCES OF THYROXINE ON CELL-PROLIFERATION IN THE RETINA OF THE CLAWED FROG AT DIFFERENT AGES

被引:41
作者
BEACH, DH [1 ]
JACOBSON, M [1 ]
机构
[1] UNIV MIAMI,SCH MED,DEPT PHYSIOL & BIOPHYS,MIAMI,FL 33152
关键词
D O I
10.1002/cne.901830309
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
The change in spatial pattern of retinal cell production that occurs after midlarvae stages in Xenopus is shown to occur because of a greater proliferative response to thyroxine in the ventral than in the dorsal margin of the retina. The asymmetry of retinal cell production is not caused by a dorsoventral difference in the duration of the mitotic cycle. It is concluded that the asymmetry is due to differences in the number of proliferative cells in different parts of the retinal margin. Copyright © 1979 The Wistar Institute Press
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页码:615 / 623
页数:9
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