gonidium

/goh-nid-ee-uhm/US // goʊˈnɪd i əm //UK // (ɡəˈnɪdɪəm) //

舌苔,舌根部,舌尖上的中国,龟头

Definitions

n.名词 noun

1
plural go·nid·i·a [goh-nid-ee-uh]. /goʊˈnɪd i ə/.
- : any one-celled asexual reproductive body, as a tetraspore or zoospore.
- : an algal cell, or a filament of an alga, growing within the thallus of a lichen.

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.
The motile force is imparted to the gonidium by dense rows of waving cilia with which it is completely surrounded.
Ripe asexually produced daughter-individual of Volvox minor, Stein, still enclosed in the cyst of the partheno-gonidium.