Desarrollo embrionario By Iraizescareo Period: 2000 BCE to 2000 BCE Gastrulacion https://encrypted-tbn3.gstatic.com/images?q=tbn:ANd9GcQhbNDT7Dz6w630Bf4cH4faVzAq5UKCmNWzyC-B0YMDyDhOHPmSHxsOGwPY Period: Apr 2, 2000 to May 2, 2000 Morula