Welcome to the 1520 Perfect Dictionary
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| Allantois | |
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| ALLANTOIS Definition: (embryology) A vascular fetal membrane in higher vertebrates serving as a respiratory organ, while its cavity stores fetal secretions. In placental mammals, the allantois and the chorion take part in the formation of the placenta. ____________________________________ See perfect membrane (1). See perfect type (1). _____ See perfect foetus. See perfect particularness. | |
1520 Products |
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1520 Products was established in 2005 with the purpose of entertaining and teaching us on key and important aspects of life (such as marriage, sex, etc) through the playing of games which will allow us to laugh but at the same time pass a message of what is the right or ideal way. |
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 1520 Sex Game |
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 1520 Marriage Game |