perithecium

[per-uh-thee-shee-uhm, -shuhm, -see-uhm]
noun, plural perithecia [per-uh-thee-shee-uh, -shuh, -see-uh] . Mycology.
the fruiting body of ascomycetous fungi, typically a minute, more or less completely closed, globose or flask-shaped body enclosing the asci.

Origin:
1825–35; < Neo-Latin; see peri-, thecium

perithecial, adjective
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World English Dictionary
perithecium (ˌpɛrɪˈθiːsɪəm)
 
n , pl -cia
botany a flask-shaped structure containing asci that are discharged from an apical pore; a type of ascocarp
 
[C19: from New Latin, from peri- + Greek thēkē case]

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American Heritage
Science Dictionary
perithecium   (pěr'ə-thē'shē-əm, -sē-əm)  Pronunciation Key 
Plural perithecia
A small flask-shaped fruiting body in some ascomycete fungi that encloses the asci (spore sacs).
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
Perithecia in capitulum and cross section of perithecium showing asci.
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