A newly created cell model of the amniotic sac could reveal new insights into early pregnancy, as well as generate helpful products for medical use.

The yolk sac is a primitive structure that usually disappears after 20 weeks' gestation. A remnant of the yolk sac merges in the forming embryo into the primitive gut.

Pig embryo at 33 days. Pig embryos with human heart cells have survived for 21 days. Credit: Daniel Sambraus/Science Photo Library Researchers have reported growing hearts containing human cells ...

Researchers at the Francis Crick Institute have developed a new stem cell model of the mature human amniotic sac, which replicates development of the tissues supporting the embryo from two to four ...

A U.S.-based biotech company has announced the launch of Nucleus Embryo, a company that screens human embryos for desired genetic profiles, a practice the Catholic Church teaches violates human ...

This is a useful study in the role of CHI3L1 in Kupffer cells, the macrophages of the liver, showing that CHI3L1 alters glucose regulation in obesity. Specifically, Chi3l1 protects glucose-dependent ...

Two independent studies provide comprehensive human embryo reference maps by integrating multiple human embryo single-cell RNA sequencing (scRNA-seq) datasets. These references are instrumental in ...

Find your favourite recipes on BBC Food. This page is an alphabetical listing of egg yolk recipes that start with o.