Definitionn. a thin membrane lining the closed cavities of the body
Last update: July 14, 2015
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The origin of the mid-gut (mesenteron), outer layers become continuous, forming respectively the amnion that has no chitinous lining in the developed insect, is the disputed and the serosa (fig. [Please select]
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Ventral plate: a thickening of the blastoderm of an egg from which the embryo, but not the amnion or serosa is formed. [Please select]
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