[per-uh-thee-shee-uh m, -shuh m, -see-uh m]
- the fruiting body of ascomycetous fungi, typically a minute, more or less completely closed, globose or flask-shaped body enclosing the asci.
Origin of perithecium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for perithecia
The perithecia are arranged in a circle neat the apex of the stroma.
Our figure 856 shows a section, and the arrangement of the perithecia.
The walls of the perithecia are carbonous, and confluent with the crust.
The perithecia are engendered where two filaments cross each other.
Also that the perithecia themselves are not perforated at the apex.
- 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
- A small flask-shaped fruiting body in some ascomycete fungi that encloses the asci (spore sacs).
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