Definitions for ostioleˈɒs tiˌoʊl
Random House Webster's College Dictionary
an opening or pore.
Category: Anatomy, Microbiology, Biology
Origin of ostiole:
1825–35; < L ōstiolum little door, dim. of ōstium door
os•ti•o•larˈɒs ti ə lər, ɒˈstaɪ-(adj.)
a small pore especially one in the reproductive bodies of certain algae and fungi through which spores pass
A small hole or opening through which certain fungi release their mature spores.
A similar hole or opening in plants, such as the opening of the involuted fig inflorescence through which fig wasps enter to pollinate and breed.