Fibril
fibril (noun, pl. fibrils) – short, simple branches, perpendicular to the main branches; (1) in Usnea, a short, slender, fully grown lateral branch, usually over 3 mm long but rarely over 1 cm long, more or less perpendicular to the branch on which it grows; distinct from a branchlet, which is a small juvenile branch (also see "spinule"); (2) a slender filament, consisting of united hyphae occurring on the margin of the thallus; compare cilium. Kind of: isidium.
This page is part of the LIAS Glossary. It is closely interlinked with the other LIAS projects: LIAS • LIAS light • LIAS names • LIAS gtm. See also Cooperating Websites
Many pages in the LIAS Glossary is in need of further revisions. Please contribute. Criticism as well as collaboration is welcome!