Definition of ostiole in English:

ostiole

Line breaks: osti|ole
Pronunciation: /ˈɒstɪəʊl
 
/

noun

Botany
  • (In some small algae and fungi) a small pore through which spores are discharged.
    More example sentences
    • In other words, the ascocarp is closed but for an ostiole at the distal end.

Origin

mid 19th century: from Latin ostiolum, diminutive of ostium 'opening'.

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