nounplural noun cornua/ˈkɔːnjʊə/Anatomy
1A horn-shaped projection of the thyroid cartilage or of certain bones (such as the hyoid and the coccyx).‘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 uterus, into which the fallopian tubes pass.‘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.
Late 17th century from Latin, ‘horn’.