Small structures on certain fungi that produce and release spores.
Sterigmas are important for fungi to make more fungi.
Examples:
The sterigmas on the mushroom release spores.
The tiny sterigmas help the fungus spread.
I see the sterigmas on the moldy bread.
The sterigmas are like little spore factories.
The mushroom has many sterigmas to make lots of spores.
The sterigmas are like magic spore makers.