Sulcus of corpus callosum Sulcus corporis callosi Cleft between the corpus callosum and the cingulate gyrus A

3 Cingulate gyrus. Gyrus cinguli (cingulatum). Convolution between the cingulate sulcus and sulcus of the corpus callosum coursing parallel to the corpus callosum. It is part of the limbic cortex. A

4 isthmus of cingulate gyrus. Isthmus gyri cin-guli (cingulatus). Constricted area where the cingulate gyrus connects with the parahippo-campal gyrus posterior and inferior to the splenium of the corpus callosum. A

5 Cingulate sulcus. Sulcus cinguli (cingulatus). Furrow bounding the anterior portion of cingulate gyrus anteriorly and superiorly. A

6 Subparietal sulcus. Sulcus subparietalis. Furrow bounding the posterior portion of the cin-gulate gyrus superiorly and posteriorly. A

7 Medial frontal gyrus. Gyrus frontalis medialis. Convolution superior to the medial surface of the frontal lobe, bounded inferiorly by the cin-gulate sulcus. A

8 Paracentral lobule. Lobulus paracentralis. Hooklike connection between the pre- and postcentral gyri on the medial surface. A

9 Precuneus. Precuneus.3 Area in front of the parieto-occipital sulcus. Anteriorly; it is partly bounded by the subparietal sulcus. A

10 Parieto-occipital sulcus. Sulcus parieto-occipi-talis. Deep cleft in front of the cuneus separating the occipital and parietal lobes. A

11 Cuneus. Portion of the brain located between the calcarine and parieto-occipital sulci. A

12 Calcarine sulcus. Sulcus calcarinus. Deep furrow below the cuneus near the primary visual area. Anteriorly, it meets the parieto-occipital sulcus at an acute angle. A

13 Dentate gyrus. Gyrus dentatus. Curved convolution of gray matter with a serrated appearance due to numerous indentations. It forms the inferior continuation of the fasciolar gyrus, reaches up to the medial surface ofthe uncus and lies between the hippocampus and parahippocampal gyrus. A

14 Hippocampal sulcus. Sulcus hippocampi (hip-pocampalis). Furrowsituated between the para-hippocampal and dentate gyri. Itjoins the uncus anteriorly. A

15 Parahippocampal gyrus. Gyrus hippocampi (parahippocampalis). Thick convolution located below the hippocampal sulcus. A B

16 Uncus. Hooklike structure on the anterior end of the parahippocampal gyrus. A B

17 Lingual gyrus. Gyrus lingualis. Occipitally directed continuation of the parahippocampal gyrus. A B

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Essentials of Human Physiology

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