Definition of annulus fibrosus in English:

annulus fibrosus

noun

Anatomy
  • 1A laminated ring of fibrocartilage forming the outer portion of an intervertebral disc, surrounding the nucleus pulposus.

  • 2Annulus.

Origin

Late 19th century; earliest use found in Michael Foster (1836–1907), physiologist and politician. From scientific Latin annulus fibrosus from post-classical Latin annulus + fibrosus.

Pronunciation

annulus fibrosus

/ˌanjʊləs fʌɪˈbrəʊsəs/