Perithecium | definition of perithecium by Medical dictionary
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per·i·the·ci·a (per'i-thē'sē-ŭm, -sē-ă),
In fungi, a flask-shaped ascocarp, one of the many shapes of structures that bear asci and ascospores; useful as an aid in identifying a fungus.
[peri- + G. thēkē, flask]
perithecium (pĕr′ə-thē′shē-əm, -sē-əm)
n. pl. perithe·cia (-shē-ə, -sē-ə)
A small flask-shaped fruiting body in certain ascomycetous fungi that contains the ascospores.
per′i·the′ci·al (-shē-əl, -sē-əl) adj.
perithecium a type of fruiting body found in fungi of the ASCOMYCOTA, containing numerous asci (see ASCUS).
References in periodicals archive
The very peculiar distal portion of the perithecium
of Laboulbenia curtonoti sp.
Fruiting bodies: Stromata brick-red at maturity, eventually turning brownish-black to black with age; hemispherical, 3-7 mm across, confluent forming extensive lobed crusts; surface papillate with protruding tips of perithecia but ostiolar necks do not extend beyond the crust of the stroma; ostioles breaking exposing pore into perithecium
Fruiting body flask-like, embedded in the upper cortex with only the apex visible, opening by an apical pore; a perithecium
III--CRUSTOSE LICHENS WITH PERITHECIA 5.