sterigma

American  

[stuh-rig-muh] / stəˈrɪg mə /

noun

Mycology.

plural

sterigmata

1. a small stalk that bears a sporangium, a conidium, or especially a basidiospore.

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sterigma British  

/ stəˈrɪɡmə /

noun

1. biology a minute stalk bearing a spore or chain of spores in certain fungi

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Other Word Forms

• sterigmatic adjective

Etymology

Origin of sterigma

1865–70; < New Latin < Greek stḗrigma a support, equivalent to stērig-, base of stērízein to support + -ma noun suffix

Example Sentences

Every sterigma at first produces at its point a little round protuberance, which, with a strong narrow basis, rests upon the sterigma.

From Fungi: Their Nature and Uses by Cooke, M. C. (Mordecai Cubitt)

Each projection or sterigma soon swells at its extremity into a bladder-like body, the young spore, and, as they enlarge, the protoplasm of the basidium is passed into them.

From The Mushroom, Edible and Otherwise Its Habitat and its Time of Growth by Hard, Miron Elisha

D, Passage of a nucleus through the sterigma into the basidiospore.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" by Various

The young basidium contains two nuclei, which later fuse; the fusion-nucleus then undergoes two successive divisions, involving a reduction of chromosomes, and each of the four resultant nuclei passes through a sterigma into a basidiospore.

From The New Gresham Encyclopedia. Vol. 1 Part 3 Atrebates to Bedlis by Various

The hymenium is universal; the basidia round and two-lobed, each lobe bearing a single one-spored sterigma.

From The Mushroom, Edible and Otherwise Its Habitat and its Time of Growth by Hard, Miron Elisha