cor'nu, gen. cor'nus, pi. cor'nua

[L. horn.] I Any structure composed of homy substance or resembling a horn in shape. 2. One of the coronal prolongations of the dental pulp. c. Ammo'nis, hippocampus [BNA]. c. ante'rius, anterior hom (i) the anterior division of the lateral ventricle of the brain, extending forward and outward into the frontal lobe from the foramen of Monro (2) column a anterior [BNA]. c. cer'vi, hartshorn, c. cut a'neum, cutaneous hom, an elongated, projecting outgrowth of the homy layer of the epidermis, c. huma'num, c. cutaneum. c. infe'iius [BNA], inferior hom, descending hom, the lowermost division of the lateral ventricle of the brain, a prolongation of the pars central is or body into the temporal lobe; it extends first outward and backward, then downward, and finally forward and inward, terminating about an inch behind the temporal pole. c. later a'le, lateral hom, column a* lateral is [BNA]. c. ma'jus, greater hom; the larger of the two proce es on either side of the hyoid bone. c. me'dium, c. inferius. c. mi'nus, le er hom; the shorter of the two proce es on either side of the hyoid bone. c. of the spinal cord, either one of the tracts of gray matter, seen on cro section of the cord, extending from the commi ure toward the surface, c. poste'rius, posterior hom; (i) the posterior division of the lateral ventricle of the brain, extending backward into the occipital lobe; (2) column a posterior [BNA].