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:
In addition to the osculum, sponges have multiple pores called ostia on their bodies that allow water to enter the sponge.
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
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
Water exits through a top opening called an osculum.
From Textbooks ● Jan. 1, 2015
Oscular collar A ring-shaped membrane formed by an extension of the derma round an osculum.
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 surface was flat or undulated gently, except round the oscula where it was raised into sharply conical eminences with furrowed sides.
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
Dermal membrane in close contact with the skeleton; pores and oscula inconspicuous.
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.
