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
Dissection proves them to have a spermatheca, similar to that of the Queen Bee.
From Langstroth on the Hive and the Honey-Bee A Bee Keeper's Manual by Langstroth, L. L. (Lorenzo Lorraine)
In Hyperiodrilus the whole spermatheca is thus included in a corresponding sac, which is of great extent.
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
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
There are three pairs of spermathecae situated in segments III-V, a testis in V and an ovary in VI.
From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" by Various
It is a remarkable fact, not yet understood, that in certain Enchytraeidae and Lumbriculidae the spermathecae open into the oesophagus as well as on to the exterior.
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.
