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Primitive pit
A small depression in the center of the primitive node, located at the cranial end of the primitive groove, and the site of cranial epiblast…
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National Institutes of Health
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Primitive Streak
Primitive node
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2014
2014
Una contribución al estudio de la iconografía rociera: acerca de tres grabados de la Virgen del Rocío
Juan Carlos Martínez Amores
2014
Corpus ID: 194968773
espanolEste trabajo quiere dar a conocer Ia existencia de tres grabados que representan a la Virgen del Rocio, los cuales habian…
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1967
1967
Limited axial structures in nodeless chick blastoderms.
J. Butros
Journal of embryology and experimental morphology
1967
Corpus ID: 13103890
The author has been using post-nodal segments of early chick blastoderms as an experimental system to study early morphogenesis…
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1931
1931
LXVIII. The Development of the Organ of Hearing
L. Guggenheim
1931
Corpus ID: 76327427
After fertilization of the ovum, segmentation and gastrulation, the embryo becomes, during the second week, a simple disc…
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