Definition of ascus in English:


Syllabification: as·cus
Pronunciation: /ˈaskəs

noun (plural asci /ˈasī, ˈaskī, -kē/)

  • A sac, typically cylindrical in shape, in which the spores of ascomycete fungi develop.
    More example sentences
    • Hymenium - the spore-bearing layer of a fruiting body, containing asci, spores and paraphyses.
    • Spores were liberated from asci, and vegetative cells were killed, by treatment with glusulase and ethanol.
    • When mature, a perithecium contains several hundred asci that are ejected by turgor pressure.


mid 19th century: modern Latin, from Greek askos 'bag'.

More definitions of ascus

Definition of ascus in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day skosh
Pronunciation: skəʊʃ
a small amount; a little