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basal disk

American  

noun

Anatomy.
  1. the flattened basal surface by which coelenterate polyps attach to the substrate.


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

As the mesenteries are formed, the endoderm of the basal disk lying above the basal plate is raised up in the form of radiating folds.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2 "Anjar" to "Apollo" by Various

The basal disk is then turned round and fixed to the new support.

From Freshwater Sponges, Hydroids & Polyzoa by Annandale, Nelson

The basal disk is even narrower and is not splayed out round the edges.

From Freshwater Sponges, Hydroids & Polyzoa by Annandale, Nelson

Other mesenteries, called incomplete, are not attached to the stomodaeum, and their internal margins are free from the peristome to the basal disk.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2 "Anjar" to "Apollo" by Various

Each mesentery is attached by its upper margin to the peristome, by its outer margin to the body-wall, and by its lower margin to the basal disk.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2 "Anjar" to "Apollo" by Various

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