Definition of fimbria in English:



  • 1A series of threads or other projections resembling a fringe.

    • ‘Shorter pili, usually referred to as fimbriae, are a structurally distinct group of extrusions which operate mostly in bacterial attachment to substrate or to other cells.’
    • ‘The researchers will collaborate with scientists at the University of Navarra, in Spain, to determine how Salmonella develop fimbriae as they grow and how they use them to cling to surfaces.’
    • ‘Bacterial colonization involves multiple factors, including fimbriae or pili, flagella, and surface polysaccharides.’
    1. 1.1usually fimbriae An individual thread in a fimbria, especially a fingerlike projection at the end of the fallopian tube near the ovary.
      • ‘And until recently investigators could not analyze how such an effect might be operating at the scale of individual fimbriae.’
      • ‘When a follicle is mature, the egg within it bursts out of the ovary, and the fallopian tube's fingerlike fimbria reach out and grab it.’
      • ‘Each fimbria bears a protein tip that can bind to sugar (or to sugar-coated or sugar-containing) molecules on the surfaces of cells.’
      • ‘The accompanying fallopian tube with identified fimbria was free of tumor.’
      • ‘Salmonella cells produce fimbriae (hairlike structures) and cellulose that help them attach, colonize, and survive on the melon's surface.’


Mid 18th century: from late Latin, ‘border, fringe’.