lophophore
Americannoun
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the ring of ciliated tentacles encircling the mouth of a bryozoan or phoronid.
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a similar organ in a brachiopod, composed of two ciliated, spirally coiled tentacles.
noun
Other Word Forms
Etymology
Origin of lophophore
1840–50; < Greek lóph ( os ) a crest, ridge + -o- -o- + -phore
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.
Some lophotrochozoan phyla are characterized by a larval stage called trochophore larvae, and other phyla are characterized by the presence of a feeding structure called a lophophore.
From Textbooks ● Jan. 1, 2015
The lophophores include groups that are united by the presence of the lophophore, a set of ciliated tentacles surrounding the mouth.
From Textbooks ● Jan. 1, 2015
The chaetae drop off, and the lophophore is believed to arise from thickenings which appear in the dorsal mantle lobe.
From Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 3 "Borgia, Lucrezia" to "Bradford, John" by Various
Collar A longitudinally pleated circular membrane capable of being thrust out of the orifice in advance of the lophophore and of closing together inside the zoœcium above the tentacles when they are retracted.
From Freshwater Sponges, Hydroids & Polyzoa by Annandale, Nelson
By this time the eyes have disappeared, the four bundles of chaetae have dropped off, and the lophophore has begun to appear as an outgrowth of the dorsal mantle lobe.
From Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 3 "Borgia, Lucrezia" to "Bradford, John" by Various
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.
