Definition of cingulum in English:

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Pronunciation: /ˈsiNGɡyələm/

noun (plural cingula /-lə/)

1A curved bundle of nerve fibers in each hemisphere of the brain.
Example sentences
  • A large proportion of fibers in the cingulum traverse only relatively short segments of this rather compact bundle.
  • Between the cingulum and the periphery of the specimen, note the mingling of short and long association fibers with projection and commissural fibers.
2A ridge of enamel on the base or margin of the crown of a tooth.
Example sentences
  • Two enamel ridges cross the anterior cingulum.
  • The crown is constricted at the base, and a large cingulum is present.
  • The teeth are transversely compressed and a cingulum is absent.



Pronunciation: /-lit/
Example sentences
  • The scans showed that a part of the brain called the anterior cingulate cortex became more active.
  • The regions associated with emotion, such as the insular cortex and parts of the anterior cingulate cortex, are not activated until the more mature phases of a relationship.
  • Interestingly, the anterior cingulate cortex doesn't distinguish between psychic and bodily injury.


Mid 19th century: from Latin, 'belt', from cingere 'gird'.

For editors and proofreaders

Syllabification: cin·gu·lum

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