We have already seen that the parenchymula stage is passed over when the gastrulation is of the invaginate type. [Please select]
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Like the Floscule, the Stephanoceros is readily alarmed, and retreats into her house, carrying with her the invaginated portion. [Please select]
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Invaginate: when a tubular or vesicular part is turned inward or retracted within the body wall. [Please select]
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_--At death the bowels are found to be misplaced or obstructed, as mentioned above, and inflamed, the inflammation always originating at the point where the intestine has been invaginated, twisted, or knotted. [Please select]
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The dead outer layer or ectocyst lines part of the portion thus invaginated and forms the walls of a cavity within the orifice. [Please select]
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