Definition of ostiole in English:

ostiole

Syllabification: os·ti·ole
Pronunciation: /ˈästēˌōl
 
/

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'.

Derivatives

ostiolar

adjective
More example sentences
  • One of the asci stretches and pushes through the ostiolar opening while its base remains attached to the perithecial wall.

Definition of ostiole in:

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