perithecium

American  

[per-uh-thee-shee-uhm, -shuhm, -see-uhm] / ˌpɛr əˈθi ʃi əm, -ʃəm, -si əm /

noun

Mycology.

plural

perithecia

1. the fruiting body of ascomycetous fungi, typically a minute, more or less completely closed, globose or flask-shaped body enclosing the asci.

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perithecium British  

/ ˌpɛrɪˈθiːsɪəm /

noun

1. botany a flask-shaped structure containing asci that are discharged from an apical pore; a type of ascocarp

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perithecium Scientific  

/ pĕr′ə-thē′shē-əm,-sē-əm /

plural

perithecia

1. A small flask-shaped fruiting body in some ascomycete fungi that encloses the asci (spore sacs).

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Other Word Forms

• perithecial adjective

Etymology

Origin of perithecium

From New Latin, dating back to 1825–35; see origin at peri-, thecium

Example Sentences

D, The same, beginning to be surrounded by the hyphae forming the perithecium wall.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" by Various

As at present limited, the Pyrenomycetes are "ascigerous fungi having the fructification enclosed within a perithecium."

From Student's Hand-book of Mushrooms of America, Edible and Poisonous by Taylor, Thomas

A perithecium, or cell excavated in the stroma which fulfils the functions of a perithecium, is always present.

From Fungi: Their Nature and Uses by Cooke, M. C. (Mordecai Cubitt)

Various types of ascocarp are characteristic of the different divisions of the Carpoascomycetes: the cleistothecium, apothecium and perithecium.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" by Various

The general feature in all is the presence of a perithecium, which contains and encloses the hymenium, and at length opening by a pore or ostiolum at the apex.

From Fungi: Their Nature and Uses by Cooke, M. C. (Mordecai Cubitt)