Definition, Meaning & Synonyms

pilus

Noun
/ˈpɪləs/
Definition
A pilus is a hair-like structure found on the surface of bacteria and some other cells.
Examples
  • The bacterium uses its pilus to adhere to the host’s tissues.
  • Some species of bacteria have multiple pili enabling them to form colonies.
  • Pili can also play a role in the transfer of genetic material between bacteria.
Meaning
Pili are commonly involved in attachment to surfaces, biofilm formation, and interactions with other cells.
Synonyms
  • Hair
  • Filament
  • Strand