- a small stalk that bears a sporangium, a conidium, or especially a basidiospore.
Origin of sterigma
1865–70; < New Latin < Greek stḗrigma a support, equivalent to stērig-, base of stērízein to support + -ma noun suffix
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for sterigma
D, Passage of a nucleus through the sterigma into the basidiospore.
At the apex of each basidium a flask-shaped cell, "sterigma" (d), appears.
At free end of each sterigma is formed an oval body—a spore or "gonidium" (d), which, when ripe, is thrown off from the sterigma.
- biology a minute stalk bearing a spore or chain of spores in certain fungi
C19: New Latin from Greek stērigma support, from stērizein to sustain