Definition of Ostiole

1. Noun. A small pore especially one in the reproductive bodies of certain algae and fungi through which spores pass.

Generic synonyms: Pore

Definition of Ostiole

1. n. The exterior opening of a stomate. See Stomate.

Definition of Ostiole

1. Noun. (mycology) A small hole or opening through which certain fungi release their mature spores. ¹

2. Noun. (botany) 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. ¹

¹ Source:

Definition of Ostiole

1. a small bodily opening [n -S] : OSTIOLAR [adj]

Medical Definition of Ostiole

1. An opening or pore. (09 Oct 1997)

Ostiole Pictures

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Lexicographical Neighbors of Ostiole

ostia venarum pulmonalium
ostial sphincter
ostiole (current term)
ostiomeatal complex
ostiomeatal unit
ostium abdominale tubae uterinae
ostium aortae
ostium appendicis vermiformis
ostium arteriosum
ostium atrioventriculare dextrum
ostium atrioventriculare sinistrum
ostium cardiacum
ostium ileocaecale

Literary usage of Ostiole

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Micrographic Dictionary: A Guide to the Examination and Investigation of by John William Griffith, Arthur Henfrey (1883)
"... ordinarily bursting by a pore or ostiole, or a lid, to extrude, in most cases, a gelatinous ball of filaments mixed with spores. ..."

2. A Manual of British Lichens: Containing Descriptions of All the Species and by William Mudd (1861)
"The ostiole is generally distinct, rounded or suban- gular, large and patent when old, and somewhat resembling very young ..."

3. The Microscopist: A Compendium of Microscopic Science Including the Use of by Joseph Henry Wythe (1883)
"... innate-superficial, produced into a neck, ostiole simple. ... ostiole more or less produced. Spores ovoid or ellipsoid, double, then halved into ..."

4. A Course of Practical Instruction in Botany by Frederick Orpen Bower (1891)
"The ostiole, by which the cavity communicates with the exterior. 3. The hairs, which almost fill the cavity, and may even protrude through the ostiole. 4. ..."

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