The surmounting part of any bone, organ, or process. C., Frontal, a ridge along the middle line of the internal surface of the frontal bone. C. of Ilium, the thickened and expanded upper border of the ilium. C., Lachrymal, a vertical ridge dividing the external surface of the lachrymal bone into two parts. C., Nasal, a crest on the internal border of the nasal bone and forming part of the septum of the nose. C., Neural, a series of swellings along each side of the rudimentary spinal cord in the embryo from which the spinal nerves are developed. C., Occipital, a vertical ridge on the external surface of the occipital bone extending from the occipital protuberance to the foramen magnum. C. of Pubes, a crest extending from the spine to the inner extremity of the pubes. C. of Tibia, the prominent border or ridge on the front of the tibia; the shin. C., Turbinated, a prominent horizontal ridge on the internal surface of the palate bone. C., Urethral. See Verumontanum.
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