Scientists in Cambridge have created synthetic mouse embryos in a lab, without using eggs or sperm, which show evidence of a brain and beating heart ... stages of organ development - and why ...
When 15-day fetal mouse duodenum is cultured for 48 hours in Trowell T8 medium, villi do not form and crypts or crypt-like structures are scanty. In vivo villi differentiate at 16 days of ...