| Word: Echinating spicule Description: Megasclere that protrudes from the spon gin plate, a fiber, or a spicule tract Category: Architecture of the Skeleton of Demospongiae |
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| Word: Echinating spicule Description: Megasclere that protrudes from the spon gin plate, a fiber, or a spicule tract Category: Architecture of the Skeleton of Demospongiae |