perithecium
/ˌperɪˈθiːsɪəm/noun
(pl. perithecia /-sɪə/ )
- Botany (in some fungi) a round or flask-shaped fruiting body with a pore through which the spores are discharged【植】（某些真菌的）子囊壳。
词源
mid 19th cent.: modern Latin, from PERI-'around' + Greek thēkē 'case'.