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perithecium

[per-uh-thee-shee-uh m, -shuh m, -see-uh m]
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noun, plural per·i·the·ci·a [per-uh-thee-shee-uh, -shuh, -see-uh] /ˌpɛr əˈθi ʃi ə, -ʃə, -si ə/. Mycology.
  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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Origin of perithecium

From New Latin, dating back to 1825–35; see origin at peri-, thecium
Related formsper·i·the·ci·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for perithecium

Historical Examples

  • The group 342 is characterized by a special type of ascocarp, the perithecium.

    Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3

    Various

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

  • When fully mature, the asci are ruptured and the sporidia escape by a pore which occupies the apex of the perithecium.

    Fungi: Their Nature and Uses

    Mordecai Cubitt Cooke

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

    Fungi: Their Nature and Uses

    Mordecai Cubitt Cooke

  • The dissemination of the sporidia may, from identity of structure in the perithecium, be deemed to follow a like method in all.

    Fungi: Their Nature and Uses

    Mordecai Cubitt Cooke


British Dictionary definitions for perithecium

perithecium

noun plural -cia (-sɪə)
  1. botany a flask-shaped structure containing asci that are discharged from an apical pore; a type of ascocarp
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Word Origin

C19: from New Latin, from peri- + Greek thēkē case
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

perithecium in Science

perithecium

[pĕr′ə-thēshē-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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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.