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cornu Line breaks: cornu
Pronunciation: /ˈkɔːnjuː/

Definition of cornu in English:

noun (plural cornua ˈkɔːnjʊə)

1A horn-shaped projection of the thyroid cartilage or of certain bones (such as the hyoid and the coccyx).
Example sentences
  • Further, they state that the inferior cornu of the thyroid cartilage is the best guide to the site of entry of the nerve into the larynx.
  • The upper horns meet the back of the hyoid bone, while the inferior cornua are attached to the side of the cricoid, forming a pivotal joint.
2Either of the two lateral cavities of the womb, into which the fallopian tubes pass.
Example sentences
  • The tumor formed a large fungating mass over the right posterior wall of the uterus, extending from the level of the right cornu to the endocervix, and laterally to the right broad ligament.
  • The uterus measured 9.0 cm from fundus to cervix, 6.5 cm from cornu to cornu, and 3.0 cm from anterior to posterior.
3Each of three elongated parts of the lateral ventricles of the brain.


Example sentences
  • Left cornual resection was carried out in the present case without immediate or long-term complication.
  • The cornual implantation will have endometrium around it, the interstitial one will not.
  • Early and accurate diagnosis of cornual ectopic pregnancy is critical, since rupture can cause sudden catastrophic bleeding.


Late 17th century: from Latin, 'horn'.

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