The model represents the development of the human germ cells from fertilization until the end of the 2nd month of pregnancy in 12 stages. Each stage can be removed from the common stand as an individual part and can be purposefully used for teaching and tests for the embryological specialist field.
Ovum at time of fertilization (conception) with male gamete (sperm)
Zygote at 2-cell stage, approx. 30 hours after fertilization
Zygote at 4-cell stage, after around 40-50 hours
Zygote at 8-cell stage, after around 55 hours
Morula
Blastocyst after around 4 days
Blastocyst after around 5 days
Blastocyst after around 8-9 days
Germ cells at approx. 11th day
Germ cells at approx. 20th day
Embryo at around the end of the 1st month of pregnancy
Embryo at around the end of the 2nd month of pregnancy
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Returns
To return this item you must contact Customer Service within 14 days of receipt to obtain a valid Return Authorization Number. Restocking fees may apply at the discretion of the manufacturer.