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On the locus and nature of the forces causing gastrulation in the embryos of Dendraster excentricus

✍ Scribed by Moore, A. R. ;Burt, Agnes S.


Publisher
John Wiley and Sons
Year
1939
Tongue
English
Weight
723 KB
Volume
82
Category
Article
ISSN
0022-104X

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✦ Synopsis


TWO TEXT FIGURES AND TWO PLATES (SIXTEEN FIGURES)

'Italics are ours.


πŸ“œ SIMILAR VOLUMES


On the mechanics of gastrulation in Dend
✍ Moore, A. R. πŸ“‚ Article πŸ“… 1941 πŸ› John Wiley and Sons 🌐 English βš– 616 KB

## EIGHT FIGURES Recently, it has been shown that the vegetal plate is autonomous in respect to gastrulation (Moore and Burt, '39). Experiments carried out during the past summer have served further to localize the area of the gastral plate within which reside the forces producing the initial inpo

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## ABSTRACT The spreading behaviour of dissociated hypoblast cells on and besides a band of aligned fibrils associated with the basal lamina of the epiblast was investigated by the use of scanning electron microscopy. A horse‐shaped band of aligned fibrils, first demonstrated by Wakely and England

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## Abstract Four developmental stages of __Xenopus laevis__ embryos were fixed in standard electron microscopic fixatives with 1% lanthanum nitrate added. This treatment reveals a lanthanum staining material (LSM) on the cell surface and in extracellular spaces. Morula and blastula stage cells have