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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
•elevated/irregular shape (arbuda)- eunuch (napumsaka)
•elevated/irregular shape (arbuda)- eunuch (napumsaka)
50th day- formation of buds of future body parts (ankura) ||'''Week 5'''- leg buds, lens placode, pharyngeal arches, lens pit, optic cup, lens vesicle, nasal pit, hand plate
50th day- formation of buds of future body parts (ankura) || '''Week 5'''- leg buds, lens placode, pharyngeal arches, lens pit, optic cup, lens vesicle, nasal pit, hand plate
'''Week 6'''-nasal pits moved ventrally, auricular hillocks, foot plate, finger rays
'''Week 6'''-nasal pits moved ventrally, auricular hillocks, foot plate, finger rays
•five buds or projections (panchapindika)- arms (hasta),legs (pada) and head(shira),differentiation of major and minor parts (anga-pratyanga)
•five buds or projections (panchapindika)- arms (hasta),legs (pada) and head(shira),differentiation of major and minor parts (anga-pratyanga)
•achieves consciousness and feelings(vedana) ||'''9-12 weeks –''' In the beginning of 9th week, head constitutes half of the crown-heel length of the foetus, and by the end of 12th week, crown-rump length almost doubles.
•achieves consciousness and feelings(vedana) ||'''9-12 weeks –''' In the beginning of 9th week, head constitutes half of the crown-heel length of the foetus, and by the end of 12th week, crown-rump length almost doubles.
Broad face, eyes get widely separated, ears-low set, eye lids get fused, by the end of 12th week-primary ossification centres appear in the cranium and long bones, external genitalia develop, intestinal coils are clearly visible
Broad face, eyes get widely separated, ears-low set, eye lids get fused, by the end of 12th week-primary ossification centres appear in the cranium and long bones, external genitalia develop, intestinal coils are clearly visible