in ascomycetous fungi, a sac in which spores (usually eight) are produced and meiosis occurs
Origin of ascusModern Latin from Classical Greek askos: see asco-
A membranous, often club-shaped structure in ascomycetes in which karyogamy occurs, followed by the formation of eight haploid ascospores.
Origin of ascusNew Latin from Greek askos bag
From Ancient Greek ἀσκός (askos, “a sac”).