HISTOGENETICAL PHENOMENA IN INTESTINAL EPITHELIUM OF TADPOLE OF ALYTES OBSTETRICANS LAUR

被引:19
作者
HOURDRY, J
机构
[1] Faculté des Sciences, Laboratoire d'Anatomie comparée, Orsay
[2] Laboratoire de Microscopie électronique appliquée à la Biologie, C.N.R. S., Paris 6è arr, 105, Bd. Raspail
来源
ZEITSCHRIFT FUR ZELLFORSCHUNG UND MIKROSKOPISCHE ANATOMIE | 1969年 / 101卷 / 04期
关键词
Alytes; Histogenetical phenomena; Intestinal epithelium;
D O I
10.1007/BF00335268
中图分类号
Q2 [细胞生物学];
学科分类号
071009 ; 090102 ;
摘要
During the metamorphosis of Alytes, the primary intestinal epithelium degenerates. Basal, undifferentiated cells aggregated in islets undergo frequent divisions, forming a second and transiently stratified epithelium. Its cells contain a granular endoplasmic reticulum which is arranged in flattened cavities, and numerous dictyosomes; little autolytic vacuoles and their altered derivations can also be observed. Near the lumen, the new cells occasionally contain great lytic inclusions the origin of which is discussed. At the end of metamorphosis, the final epithelium becomes unistratified and the lytic bodies disappear. © 1969 Springer-Verlag.
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页码:555 / &
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