osculum
Americannoun
-
oscula
plural
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
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
Their food is trapped when water passes through the ostia and out through 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
They are never more than about a quarter of an inch in diameter and never possess more than one osculum.
From Freshwater Sponges, Hydroids & Polyzoa by Nelson Annandale
Those “little mouths” are called ostia, and the openings where water flows out are oscula.
From New York Times ● Aug. 10, 2022
It also differs from S. fragilis in having extremely small and inconspicuous oscula.
From Freshwater Sponges, Hydroids & Polyzoa by Nelson Annandale
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
Dermal membrane in close contact with the skeleton; pores and oscula inconspicuous.
From Freshwater Sponges, Hydroids & Polyzoa by Nelson Annandale
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 Nelson Annandale
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