| sulcus terminalis | Sulcus terminalis linguae; a V-shaped groove, with apex pointing backward, on the surface of the tongue, marking the separation between the oral, or horizontal, and the pharyngeal, or vertical, parts, sulcus terminalis atrii dextri; a groove on the surface of the right atrium of the heart, marking the junction of the primitive sinus venosus with the atrium. Synonym: terminal sulcus. (05 Mar 2000) |
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| sulcus tubae auditivae | A furrow on the inner surface of the posterior border of the greater wing of the sphenoid bone, for the cartilaginous auditory tube. Synonym: sulcus tubae auditivae, pharyngotympanic groove. (05 Mar 2000) |
| sulcus tympanicus | The sulcus on the inner aspect of the tympanic part of the temporal bone in which the tympanic membrane is fixed. Synonym: sulcus tympanicus. (05 Mar 2000) |
| sulcus venae cavae | A groove on the posterior surface of the liver between the caudate lobe and the right lobe which gives passage to the inferior vena cava. Synonym: sulcus venae cavae, fossa venae cavae, sulcus for vena cava. (05 Mar 2000) |
| sulcus venae cavae cranialis | A groove on the surface of the right lung, above the hilum, in which runs the superior vena cava. Synonym: sulcus venae cavae cranialis. (05 Mar 2000) |
| sulcus venae subclaviae | <anatomy, vein> A groove just anterior to the scalene tubercle of the first rib marking the course of the subclavian vein across the rib. Synonym: sulcus venae subclaviae. (05 Mar 2000) |
| sulcus venae umbilicalis | <anatomy, vein> The sulcus on the foetal liver occupied by the umbilical vein. Synonym: sulcus venae umbilicalis. (05 Mar 2000) |
| sulcus ventralis | A deep median fissure on the anterior surface of the spinal cord. Synonym: fissura mediana anterior medullae spinalis, anteromedian groove, sulcus ventralis. (05 Mar 2000) |
| sulcus verticalis | An interrupted fissure anterior to and in general parallel with the central sulcus, marking the anterior border of the precentral gyrus. Synonym: sulcus precentralis, sulcus verticalis. (05 Mar 2000) |
| sulcus vomeralis | vomeral groove, vomeral groove |
| sulcus vomeris | The groove on the anterior border of the vomer that receives the septal cartilage. Synonym: sulcus vomeralis, sulcus vomeris, vomeral sulcus. (05 Mar 2000) |
| sulcus vomerovaginalis | A sulcus on the inferior aspect of the vaginal process of the sphenoid bone that, together with ala of the vomer, forms the vomerovaginal canal. Synonym: sulcus vomerovaginalis. (05 Mar 2000) |
| nymphocaruncular sulcus | A groove between the labium minor and the border of the remains of the hymen, in which is the opening of the duct of the greater vestibular gland on either side. Synonym: nymphohymenal sulcus, sulcus nymphocaruncularis. (05 Mar 2000) |
| nymphohymenal sulcus | A groove between the labium minor and the border of the remains of the hymen, in which is the opening of the duct of the greater vestibular gland on either side. Synonym: nymphohymenal sulcus, sulcus nymphocaruncularis. (05 Mar 2000) |
| superior frontal sulcus | A sagittal fissure on the superior surface of each frontal lobe of the cerebrum starting from the precentral sulcus; it forms the lateral boundary of the superior frontal convolution. Synonym: sulcus frontalis superior. (05 Mar 2000) |