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:
Oocytes arise by the differentiation of amoebocytes and are retained within the spongocoel, whereas spermatozoa result from the differentiation of choanocytes and are ejected via the osculum.
From Textbooks ● Jan. 1, 2015
Early larval development occurs within the sponge, and free-swimming larvae are then released via the 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
Early larval development occurs within the sponge, and free-swimming larvae are then released through the osculum.
From Textbooks ● Apr. 25, 2013
The simplest form of sponge, which is known as an olynthus, is a hollow vase-like body fixed at one end to some solid object, and with an opening called the osculum at the other.
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
Their oscula were not raised on conical eminences and were altogether most inconspicuous.
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
The oscula are small; some of them are raised above the general surface but not on regular turret-shaped eminences.
From Freshwater Sponges, Hydroids & Polyzoa by Annandale, Nelson
From hence all faecal and other matter is discharged through the oscula, the larger openings observed on the surface of the sponge.
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.
