Uberon definition : outermost layer of cells in the blastodermic vesicle, which will develop into the
trophoblast layer and then contact the endometrium and take part in establishing the
embryo's means of nutrition;
Uberon Homology note : (...) the trophoblast develops rapidly so that contact may be made with the maternal
uterine tissues when conditions are appropriate. We have here an excellent example
of an embryonic adaptation, the development of a structure never present in either
adult or embryo of 'lower' vertebrates.[well established][VHOG];
outermost layer of cells in the blastodermic vesicle, which will develop into the
trophoblast layer and then contact the endometrium and take part in establishing the
embryo's means of nutrition
develops from