Diversification and conservation of the extraembryonic tissues in mediating nutrient uptake during amniote development

Yolk sac endoderm is the major source of serum proteins and lipids and is involved in the regulation of vascular integrity in early chick development

(2011) Fumie Nakazawa et al.   DEVELOPMENTAL DYNAMICS

Evolution and development of fetal membranes and placentation in amniote vertebrates

(2011) Kirsten Ferner et al.   RESPIRATORY PHYSIOLOGY & NEUROBIOLOGY

The visceral yolk sac endoderm provides for absorption of nutrients to the embryo during neurulation

(2010) Irene E. Zohn et al.   BIRTH DEFECTS RESEARCH PART A-CLINICAL AND MOLECULAR TERATOLOGY

Primitive and definitive erythropoiesis in the yolk sac: a birds eye view

(2010) Guojun Sheng   INTERNATIONAL JOURNAL OF DEVELOPMENTAL BIOLOGY

Notch mediates Wnt and BMP signals in the early separation of smooth muscle progenitors and blood/endothelial common progenitors

(2009) M. Shin et al.   DEVELOPMENT

Placental nutrient supply and fetal growth

(2009) Michelle Desforges et al.   INTERNATIONAL JOURNAL OF DEVELOPMENTAL BIOLOGY

The mammalian yolk sac placenta

(2008) Claudia Freyer et al.   JOURNAL OF EXPERIMENTAL ZOOLOGY PART B-MOLECULAR AND DEVELOPMENTAL EVOLUTION

Reasons for Diversity of Placental Structure

(2008) A.C. Enders   PLACENTA