Structure of allantois

Known as: Allantoic Membrane, Allantois, Membrane, Allantoic 
An extra-embryonic membranous sac derived from the YOLK SAC of REPTILES; BIRDS; and MAMMALS. It lies between two other extra-embryonic membranes, the… (More)
National Institutes of Health

Topic mentions per year

Topic mentions per year

1935-2018
0204019352017

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
Highly Cited
2004
Highly Cited
2004
Formation of the yolk sac vascular system and its connection to the embryonic circulation is crucial for embryo survival in both… (More)
  • figure 1
  • figure 2
  • figure 3
  • figure 4
  • figure 5
Is this relevant?
Highly Cited
1999
Highly Cited
1999
In many organisms the allocation of primordial germ cells (PGCs) is determined by the inheritance of maternal factors deposited… (More)
Is this relevant?
Highly Cited
1999
Highly Cited
1999
Smad5 has been implicated as a downstream signal mediator for several bone morphogenetic proteins (BMPs). To understand the in… (More)
  • table 1
  • figure 1
  • figure 2
  • table 2
  • figure 3
Is this relevant?
Highly Cited
1995
Highly Cited
1995
We have recently cloned the human fms-like tyrosine kinase 4 gene FLT4, whose protein product is related to two vascular… (More)
Is this relevant?
Highly Cited
1995
Highly Cited
1995
alpha 4 integrins are cell surface receptors that mediate cell-extracellular matrix (ECM) and cell-cell adhesions by interacting… (More)
Is this relevant?
Highly Cited
1995
Highly Cited
1995
HEPATOCYTE growth factor/scatter factor (HGF/SF) functions as a mitogen, motogen and morphogen for a variety of cultured cells1–7… (More)
Is this relevant?
Highly Cited
1995
Highly Cited
1995
Three mouse homologues of the Drosophila homeotic gene Caudal (Cad) have been described. They are currently designated Cdx-1, Cdx… (More)
Is this relevant?
Highly Cited
1995
Highly Cited
1995
VCAM-1 is a cytokine-inducible cell surface protein capable of mediating adhesion to leukocytes expressing alpha 4 integrins… (More)
Is this relevant?
Highly Cited
1994
Highly Cited
1994
THE outer layer of the blastocyst, or trophectoderm, is the first cell lineage to differentiate in the mouse embryo1,2, but… (More)
Is this relevant?
Highly Cited
1990
Highly Cited
1990
With the aid of a whole-mount technique, we have detected a small cluster of alkaline phosphatase (ALP)-positive cells in whole… (More)
  • figure 1
  • figure 2
  • figure 3
  • figure 4
  • table 1
Is this relevant?