Anatomy Atlases: Atlas of Human Anatomy in Cross Section: Section 1. Head and Neck

Anatomy Atlases(tm) : A digital library of anatomy information

Atlas of Human Anatomy in Cross Section: Section 1. Head and Neck

Plate 1.5

Ronald A. Bergman, Ph.D., Adel K. Afifi, M.D., Jean J. Jew, M.D., and Paul C. Reimann, B.S.
Peer Review Status: Externally Peer Reviewed

Upper Left Quadrant	Lower Left Quadrant	Lower Right Quadrant	Upper Right Quadrant
1. Superior frontal sulcus 2. Middle frontal gyrus 3. Diploic v. 4. Precentral sulcus 5. Centrum semiovale 6. Precentral gyrus 7. Postcentral gyrus	8. Parietooccipital sulcus 9. Precuneus gyrus	10. Inferior parietal lobule 11. Postcentral sulcus 12. Postcentral gyrus	13. Central (rolandic) sulcus 14. Precentral gyrus 15. Precentral sulcus 16. Superior frontal sulcus 17. Superior frontal gyrus 18. Superior sagittal sinus

This section is through the centrum semiovale (5) and dorsal to the cerebral ventricles. The superior sagittal sinus is seen anteriorly (18) and posteriorly (unlabeled) within the falx cerebri. Within the frontal lobe are seen the superior (17) and middle (2) frontal gyri and the precentral gyrus ( 14). The superior and middle frontal gyri are separated by the superior frontal sulcus (1, 16). The precentral gyrus (6, 14) is delineated by the precentral (4, 15) and the central (rolandic) (13) sulci. The postcentral gyrus (7, 12) is caudal to the central (rolandic) sulcus (13). The postcentral sulcus (11) separates the postcentral gyrus (7, 12) from the inferior parietal lobule (10). On the medial surface of the parietal lobe is the precuneus gyrus (9). The parietooccipital sulcus (8) separates the parietal from the occipital lobe. A diploic vein (3) is seen within the calvarium.

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