ascus
Americannoun
noun
Other Word Forms
Noun Inflected Forms
Etymology
Origin of ascus
1820–30; < New Latin < Greek askós bag, sac
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.
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A dikaryotic ascus that forms in the ascocarp undergoes plasmogamy, meiosis, and mitosis to form eight ascospores.
From Textbooks ● Jan. 1, 2015
The zygote undergoes meiosis without cell division, resulting in an ascus with four 1n nuclei arranged in a row.
From Textbooks ● Jan. 1, 2015
A dikaryotic ascus that forms in the ascocarp undergoes karyogamy, meiosis, and mitosis to form eight ascospores.
From Textbooks ● Jan. 1, 2015
You can count the eight ascospores in this ascus: The tasty, tasty asci of a Morchella sp.
From Scientific American ● Sep. 5, 2012
By this means the ascus cell is brought uppermost, and after the fusion of the two nuclei it develops enormously and produces the ascospores.
From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" by Various
In ascomycetes that build their asci inside flask-like structures called perithecia or pseudothecia, the asci take turns snaking to the little opening, poking themselves out, and firing.
From Scientific American ● Sep. 5, 2012
You can count the eight ascospores in this ascus: The tasty, tasty asci of a Morchella sp.
From Scientific American ● Sep. 5, 2012
But some discomycetes — fungi that produce their asci in a cup-like structure in which the fertile surface is completely exposed to the environment — have learned to synchronize their firing.
From Scientific American ● Sep. 5, 2012
In the diagram above, you can see the asci at various stages in meiosis.
From Scientific American ● Sep. 5, 2012
The paraphyses, when present, are at first very short, but they rapidly elongate, and are wholly developed before the appearance of the asci.
From Student's Hand-book of Mushrooms of America, Edible and Poisonous by Taylor, Thomas
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.
