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Primitive node

Known as: Cranial end of primnitive streak, Primitive knot 
The small circular, localized expansion of the cranial end of the primitive streak, which is centered around the primitive pit, and is where… 
National Institutes of Health

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Primitive StreakPrimitive pit

Papers overview

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Review
2015
Review
2015
Forkhead box protein A2 and T helper type 2-mediated pulmonary inflammation.
The transcription factor forkhead box protein A2 (FOXA2, also known as hepatocyte nuclear factor 3β or transcription factor 3… 
2008
2008
A Motivation-Based Action-Selection-Mechanism Involving Reinforcement Learning
An action-selection-mechanism (ASM) has been proposed to work as a fully connected finite state machine to deal with sequential… 
Review
2006
Review
2006
Germ cell tumors.
2005
2005
un 2 00 5 ALEXANDER POLYNOMIALS OF DOUBLY PRIMITIVE KNOTS
We give a formula for Alexander polynomials of doubly primitive knots. This also gives a practical algorithm to determine the… 
2004
2004
Distribution and migration of angiogenic cells from grafted avascular intraembryonic mesoderm
SummaryThe hemangiogenic potencies of initially avascular intra-embryonic mesoderm were studied in chick and quail embryos and in… 
2004
2004
Cholinesterase-Aktivität im Primitivknoten, in der Schwanzknospe und bei der Chordaentwicklung des Hühnchens
SummaryCholine esterase activity was studied in chick germ discs during the caudal migration of the primitive node, the formation… 
2002
2002
Localization of transforming growth factor beta2 (TGFbeta2) and its receptors, TbetaRI and TbetaRII, in uteri and blastocysts of the stripe-faced dunnart (Sminthopsis macroura) during gastrulation.
This study describes for the first time the spatial and temporal distribution of a growth factor and its receptors in uteri and… 
1992
1992
Intermediate filament protein expression and mesoderm formation in the rabbit embryo
SummaryThis study aims to describe the regulation of vimentin and cytokeratin expression during differentiation of primary… 
1967
1967
Cholinesterase-Aktivität bei der Entstehung und Auflösung der Somiten des Hühnchens
SummaryInvestigations on the activity of choline esterase were carried out in chick germ discs during the formation of somites… 
1931
1931
LXVIII. The Development of the Organ of Hearing
After fertilization of the ovum, segmentation and gastrulation, the embryo becomes, during the second week, a simple disc… 
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