Basal Disk

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The first skeletal element deposited by a planula. This anchors corals to the substrate; located aborally. It is also the area where hard corals secrete calcium carbonate. Also, referred to as the basal plate.

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  • Glossary: Basal Plate
    The first skeletal element deposited by a planula. This anchors corals to the substrate; located aborally. It is also the area where hard corals secrete calcium carbonate. Also, referred to as the basal disk.
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