ostiole (noun)

1. In the sci-fi movie, the alien creature emerges from the ostiole of a prehistoric fungus.

2. The artist beautifully depicted the delicate ostiole of a microscopic algal reproductive body.

3. According to ancient mythology, spores are believed to be released from the ostiole of a mystical mushroom.

4. The protagonist discovers a secret hidden realm inside the ostiole of a rare and magical fungi in the anime series.