basal disk
Americannoun
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.
It commences by a constriction of the column which finally separates the animal into two parts, the lower of which develops tentacles and a mouth, while the upper part develops a basal disk.
From Freshwater Sponges, Hydroids & Polyzoa by Annandale, Nelson
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 even narrower and is not splayed out round the edges.
From Freshwater Sponges, Hydroids & Polyzoa by Annandale, Nelson
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
The basal disk is liberated and the tentacles contract, dragging the column, which still lies prone, along as they do so.
From Freshwater Sponges, Hydroids & Polyzoa by Annandale, Nelson
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
