perithecium
noun
the fruiting body of ascomycetous fungi, typically a minute, more or less completely closed, globose or flask-shaped body enclosing the asci.
perithecia
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pluralof perithecium.plural
The grammatical form denoting more than one person, place, thing, or idea.
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.
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
The perithecia are engendered where two filaments cross each other.
From Fungi: Their Nature and Uses by M. C. (Mordecai Cubitt) Cooke
Several of the species of Hysterium also possess spermogonia, notably H. Fraxini, which may be distinguished from the ascigerous perithecia with which they are associated by their smaller size and flask-like shape.
From Fungi: Their Nature and Uses by M. C. (Mordecai Cubitt) Cooke
Other and more minute perithecia, containing minute, slender stylospores in great numbers, formerly classed with Aposphæria, Phoma, &c., but are now recognized as spermogonia containing the spermatia of Sphæriæ.
From Fungi: Their Nature and Uses by M. C. (Mordecai Cubitt) Cooke
The cytological details of development of the perithecia are not well known; most of them appear to develop their ascogenous hyphae in an apogamous way without any connexion with an ascogonium.
From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" by Various
