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… (More)
National Institutes of Health

Topic mentions per year

Topic mentions per year

1967-1983
0119671983

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1983
1983
To learn the origin and early migration of notochordal cells in the chick embryo, tritiated thymidine-labeled grafts were… (More)
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1967
1967
  • J Butros
  • Journal of embryology and experimental morphology
  • 1967
The author has been using post-nodal segments of early chick blastoderms as an experimental system to study early morphogenesis… (More)
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