Question

describe different types of membranes and their functions in the development of human embryo

Answer 1

Extraembryonic membranes are the layers enclosing the embryo inside the uterus. There are four layers: the amnion, yolk sac, allantois, and chorion. The amnion is the innermost layer, enclosing the embryo in the amnion fluid, which protects it from mechanical stress.
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