osculum
Americannoun
noun
Other Word Forms
Noun Inflected Forms
Etymology
Origin of osculum
1605–15; < New Latin, Latin ōsculum, equivalent to ōs mouth + -culum -cule 1
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.
See Examples For:
Water exits through a top opening called an osculum.
From Textbooks ● Jan. 1, 2015
Lastly, choanocytes will differentiate into sperm for sexual reproduction, where they will become dislodged from the mesohyl and leave the sponge with expelled water through the osculum.
From Textbooks ● Jan. 1, 2015
Their food is trapped when water passes through the ostia and out through the osculum.
From Textbooks ● Jan. 1, 2015
Early larval development occurs within the sponge, and free-swimming larvae are then released through the osculum.
From Textbooks ● Apr. 25, 2013
In about two days differentiation commences among the cells; then spicules are secreted, a central cavity and an external membrane formed, and an aperture, the first osculum, appears in the membrane.
From Freshwater Sponges, Hydroids & Polyzoa by Annandale, Nelson
Those “little mouths” are called ostia, and the openings where water flows out are oscula.
From New York Times ● Aug. 10, 2022
The water from outside therefore flows in at the pores and finally makes its way out of the oscula.
From Freshwater Sponges, Hydroids & Polyzoa by Annandale, Nelson
The form of the oscula is characteristic in many cases.
From Freshwater Sponges, Hydroids & Polyzoa by Annandale, Nelson
Sponge flat, lichenoid, never of great thickness, devoid of branches, dense in texture but very friable; colour brown, green, or whitish; oscula numerous, small, flat, distinctly star-shaped.
From Freshwater Sponges, Hydroids & Polyzoa by Annandale, Nelson
When the embryo has become partly developed, it detaches itself from the parent sponge, and, issuing from the oscula, propels itself through the water by means of a number of flagella.
From Scientific American Supplement, No. 601, July 9, 1887 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.
