Fimbria

Etymology
Fimbria: "fringe" (from latin fimbria, meaning "fringe" or "thread")

Fimbriae is the plural of fimbria

Explanation
Fimbriae are bacterial appendages which coat the bacterial cell wall, making a fringe (fimbria) around the bacterium, allowing it to adhere to tissue (such as epithelia).

Synonyms
Attachment pili