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→Month wise development of embryo and foetus
15th day-solid (ghana),
15th day-solid (ghana),
20th day-muscle like (mamsa panda),
20th day-muscle like (mamsa panda),
25th day-more conspicuous||'''Week 1'''- fertilized oocyte, zygote, pronuclei, morula cell division with reduction in cytoplasmic volume, blastocyst formation of inner and outer cell mass, loss of zona pellucida, free blastocyst, attachment of blastocyst
25th day-more conspicuous
||'''Week 1'''- fertilized oocyte, zygote, pronuclei, morula cell division with reduction in cytoplasmic volume, blastocyst formation of inner and outer cell mass, loss of zona pellucida, free blastocyst, attachment of blastocyst
'''Week 2'''- implantation, extraembryonic mesoderm, primitive streak, gastrulation
'''Week 2'''- implantation, extraembryonic mesoderm, primitive streak, gastrulation
'''Week 3''' - gastrulation, notochordal process, primitive pit, notochordal canal, Somitogenesis, cardiac primordium, head fold
'''Week 3''' - gastrulation, notochordal process, primitive pit, notochordal canal, Somitogenesis, cardiac primordium, head fold