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Related Questions |
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Why can the allantois be considered an adaptation to terrestrial life?
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Which is the extra embryonic membrane whose function is to store nitrogen wastes of the embryo? Is this function present in placental mammalian embryos?
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How is the yolk sac formed? What is the function of the yolk sac?
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Are the extra embryonic membranes the same in all vertebrates?
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What are the extra embryonic membranes present in vertebrates?
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What are extra embryonic membranes?
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What is polyembryony?
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What are twins? Genetically what are the two types of twins that can be generated?
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From which germ layer do the liver and the pancreas originate? What are other organs and tissues made from that germ layer?
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From which germ layer do blood cells originate? What are other organs and tissues made from that germ layer?
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From which germ layer do the epidermis and the nervous system originate? What are other organs and tissues made from that germ layer?
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What are histogenesis and organogenesis?
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What are somites?
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After the neurula stage and from its ventral portion to the dorsal how can the morphology of the embryo be described?
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What are pleura, pericardium, and peritoneum?
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What is the germ layer from which the coeloms originate?
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Notochord is a rodlike structure that forms the supporting axis of the embryo and gives birth to the vertebral column in vertebrates. It is formed by differentiation of mesodermal cells.
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What is notochord? How is this structure formed?
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How does the embryo turn from gastrula into neurula? How is the neural tube formed? What is the embryonic origin of the nervous system in vertebrates?
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How are animals classified according to the germ layers present in their embryonic development?
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