Results 11 to 20 of about 8,571 (229)

Semiautonomous Development of the Extraembryonic Membranes in the Chicken Embryo

open access: hybridPoultry Science, 2006
Based on an old paradigm that the extra-embryonic membranes develop semiautonomously from the embryo, it can also be postulated that subembryonic fluid (SEF) will be formed semiautonomously against embryonic growth, because the formation of SEF is mediated by the yolk sac membrane.
Bart Kemps   +7 more
openaire   +4 more sources

Neural tube opening and abnormal extraembryonic membrane development in SEC23A deficient mice [PDF]

open access: goldScientific Reports, 2015
AbstractCOPII (coat protein complex-II) vesicles transport proteins from the endoplasmic reticulum (ER) to the Golgi. Higher eukaryotes have two or more paralogs of most COPII components. Here we characterize mice deficient for SEC23A and studied interactions of Sec23a null allele with the previously reported Sec23b null allele. SEC23A deficiency leads
Jiayi Tao   +6 more
openaire   +4 more sources

Prominent Expression of Xenobiotic Efflux Transporters in Mouse Extraembryonic Fetal Membranes Compared with Placenta [PDF]

open access: greenDrug Metabolism and Disposition, 2008
Fetal exposure to xenobiotics can be restricted by transporters at the interface between maternal and fetal circulation. Previous work identified transporters in the placenta; however, less is known about the presence of these transporters in the fetal membranes (i.e., yolk sac and amniotic membranes). The purpose of this study was to quantify mRNA and
Lauren M. Aleksunes   +2 more
openaire   +4 more sources

Extraembryonic Membranes and Placentation in the Mexican Snake Conopsis lineata

open access: hybridJournal of Morphology
ABSTRACTExtraembryonic membranes provide protection, oxygen, water, and nutrients to developing embryos, and their study generates information on the origin of the terrestrial egg and the evolution of viviparity. In this research, the morphology of the extraembryonic membranes and the types of placentation in the viviparous snake Conopsis lineata are ...
Cecilia de Dios‐Arcos   +1 more
openaire   +3 more sources

A system to enrich for primitive streak-derivatives, definitive endoderm and mesoderm, from pluripotent cells in culture [PDF]

open access: yes, 2012
Two lineages of endoderm develop during mammalian embryogenesis, the primitive endoderm in the pre-implantation blastocyst and the definitive endoderm at gastrulation.
Familari, M.   +6 more
core   +11 more sources

Chorioallantoic Membrane Assay at the Cross-Roads of Adipose-Tissue-Derived Stem Cell Research

open access: yesCells, 2023
With a history of more than 100 years of different applications in various scientific fields, the chicken chorioallantoic membrane (CAM) assay has proven itself to be an exceptional scientific model that meets the requirements of the replacement ...
Dmytro Oliinyk   +4 more
doaj   +1 more source

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