Как по Английски будет ризоиды

noun

A filamentous outgrowth or root hair on the underside of the thallus in some lower plants, especially mosses and liverworts, serving both to anchor the plant and (in terrestrial forms) to conduct water.

Примеры использования:

The other end manifests an array of long, filamentous rhizoids that have the appearance, and appare…