Figure 4From: Progress and challenges in developing organoids in farm animal species for the study of reproduction and their applications to reproductive biotechnologiesDifferences in development of the blastocyst in rodents and ungulates/rabbit. The cup-shaped epiblast in the mouse develops after implantation, while in other mammals such as ungulates and rabbit, it develops as a disc, in contact with the uterine lumen, before implantation.Back to article page