basal disk
nounAnatomy.
the flattened basal surface by which coelenterate polyps attach to the substrate.
- Also called pedal disk.
Words Nearby basal disk
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use basal disk in a sentence
The basal disk is even narrower and is not splayed out round the edges.
Freshwater Sponges, Hydroids & Polyzoa | Nelson AnnandaleThe basal disk is liberated and the tentacles contract, dragging the column, which still lies prone, along as they do so.
Freshwater Sponges, Hydroids & Polyzoa | Nelson AnnandaleThe basal disk is then turned round and fixed to the new support.
Freshwater Sponges, Hydroids & Polyzoa | Nelson Annandale
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