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spermatheca

American  
[spur-muh-thee-kuh] / ˌspɜr məˈθi kə /

noun

Zoology.
  • spermathecae
    plural
  1. a small sac or cavity in female or hermaphroditic invertebrates used to store sperm for fertilizing eggs, as in the queen bee.


spermatheca British  
/ ˌspɜːməˈθiːkə /

noun

  1. a sac or cavity within the body of many female invertebrates, esp insects, used for storing spermatozoa before fertilization takes place

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

spermatheca Scientific  
/ spûr′mə-thēkə /
  • spermathecae
    plural
  1. A receptacle in the reproductive tracts of certain female invertebrates, especially insects, in which spermatozoa are received and stored until needed to fertilize the ova.


Other Word Forms

Derived Forms

Inflected Forms

Nouns

Etymology

Origin of spermatheca

1820–30; sperma- (variant of spermato-, spermo- ) + theca

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:

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

On the contrary, when she is egg-laying in drone cells, this compression cannot take place, the mouth of the spermatheca is kept closed, and the eggs are, necessarily, unfecundated.

From Langstroth on the Hive and the Honey-Bee A Bee Keeper's Manual by L. L. (Lorenzo Lorraine) Langstroth

In Heliodrilus the blind extremity of the spermatheca is enclosed in a coelomic sac which is in connexion with the sacs envolving the ovaries and oviducts.

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

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

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

No specialized system of spermathecae, sperm reservoirs, and copulatory apparatus, as in Oligochaeta; development generally through a larval form; reproduction by budding also occurs.

From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" by Various

In the female there is in every fertile segment a pair of spermathecae opening at the nephridiopores.

From Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 8 "Haller, Albrecht" to "Harmonium" by Various

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