spermatheca
Americannoun
noun
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Origin of spermatheca
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Some insects have a specialized sac, called a spermatheca, which stores sperm for later use, sometimes up to a year.
From Textbooks ● Jun. 9, 2022
"We don't yet know what allows sperm to migrate beyond the spermatheca," Cutter said, referencing the female organ where fertilization takes place.
From The Verge ● Jul. 29, 2014
These matriarchs were reproductively mature, but their spermatheca, chambers that store sperm postmating, remained bone dry, says Christian Rabeling, an evolutionary biologist at Harvard University and a co-author of one of the 2009 studies.
From Science Magazine ● Jul. 18, 2011
These spermatozoa, whose number Dr. Leuckart estimates at twenty-five millions, are preserved alive in a special gland known as the spermatheca, that is situate under the ovaries, at the entrance to the common oviduct.
From The Life of the Bee by Sutro, Alfred
In such other genera of the family as have been examined, the true spermatheca has entirely disappeared, and the sac which contains it in Hyperiodrilus alone remains.
From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" by Various
Or maybe they reach into the female’s secondary sperm-storage side-sacs, the spermathecae, to remove sperm, though they seem poorly located and insufficiently grabby for the task.
From New York Times ● Oct. 17, 2011
In many Geoscolicidae, however, and certain Lumbricidae and Perichaetidae, there are several, even a large number, of pairs of very small spermathecae to each of the segments which contain them.
From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" by Various
The spermathecae are usually paired structures, one pair to each of the segments where they occur.
From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" by Various
These sacs are dealt with later under the description of the spermathecae, which function they appear to perform.
From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" by Various
The large sacs which have been termed vagina are suggestive of the large coelomic spermathecae in Eudrilids, a comparison which needs, however, embryological data, not at present forthcoming, for its justification.
From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" 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.
