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Related to perithecial: parenthetical


, pl.


(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]
Farlex Partner Medical Dictionary © Farlex 2012


(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.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.


a type of fruiting body found in fungi of the ASCOMYCOTA, containing numerous asci (see ASCUS).
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
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Stromata effused, applanate to pulvinate; 0.7-80 mm long x 0.5-40 mm broad x 0.8-1 mm thick, with inconspicuous perithecial mounds up to 1/4 exposed; surface Umber (9) with grey tones when young, becoming black to blackish when old; brown to black granules immediately beneath surface, brown granules detected by microscopic examination in water; KOH-extractable pigments pale Olivaceous Grey (121); the tissue below the perithecial layer inconspicuous, black.
In case of perithecial development (Table II), traces of perithecia were observed in response to maltose in the case of S1, S2, S3, Sw92.1 and Sw17.2, while N5, N6 and N7 showed a better response to glucose.
Besides having a very different perithecial neck and tip, the last-named three species also differ from L.