| 释义 |
DictionarySeesulcuscingulate sulcus
cin·gu·late sul·cus [TA] a fissure on the medial surface of the cerebral hemisphere, bounding the upper surface of the cingulate gyrus (callosal convolution); the anterior portion is called the pars subfrontalis; the posterior portion that curves up to the superomedial margin of the hemisphere and borders the paracentral lobule posteriorly is the ramus marginalis. Synonym(s): sulcus cinguli [TA], callosomarginal fissure, callosomarginal sulcus, sulcus callosomarginalis, sulcus of cingulumcin·gu·late sul·cus (sing'gyū-lāt sŭl'kŭs) [TA] A fissure on the mesial surface of the cerebral hemisphere, bounding the upper surface of the cingulate gyrus (callosal convolution); the anterior portion is called the pars subfrontalis; the posterior portion that curves up to the superomedial margin of the hemisphere and borders the paracentral lobule posteriorly, the pars marginalis. cingulate sulcusA groove curving transversely along the anterior medial surface of the cerebral hemisphere, which parallels the callosal sulcus, from which it is separated by the cingulate gyrus. The cingulate sulcus forms the lower edge of the medial frontal gyrus and the paracentral lobule. See also: sulcus |