There is a yolk sac, which has some of the roles of the liver and kidneys, and a bilaminar embryonic disc - one of the key hallmarks of this stage of embryo development. 'Making sense' ...

Additionally, EBs lacked an embryonic disc, bilaminar disc, yolk sac, hypoblast, and surrounding trophoblast-like compartment, which are essential structural features of developing embryos.

Scientists have grown an entity that closely resembles an early human embryo, without using sperm, ... and a bilaminar embryonic disc - one of the key hallmarks of this stage of embryo development.

The embryo models were allowed to grow and develop until they were comparable to an embryo 14 days after fertilisation. In many countries, ... and a bilaminar embryonic disc ...