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нейропор

The open anterior end or the open posterior end of the neural tube of the early embryo. These openings gradually close as the tube develops, the timing of each being so precise that they are used to define horizons XI and XII.

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Settore/Dominio: Corpi idrici Categoria: Rivers

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The longest river in Asia, and the ('''third-longest in the world'''). It flows for 6,418 kilometres (3,988 mi) from the glaciers on the Tibetan ...