This document describes several key anatomical structures and features of the human cerebral cortex, brainstem, and cerebral blood supply. It outlines the locations of sulci and gyri that divide the lobes of the cortex, including the central sulcus, intraparietal sulcus, and parieto-occipital sulcus. It also notes structures in the brainstem like the pons, medulla, and cerebellar arteries, as well as the circle of Willis and venous circulation. Key points are made about the motor and somatic sensory functions of the precentral and postcentral gyri.

1. CEREBRAL CORTEX,
BRAINSTEM AND BLOOD
SUPPLY

3. CENTRAL SULCUS
HTTP://WWW.NEUROSCIENTIFICALLYCHALLENGED.COM/GLOSSARY/CENTRAL-SULCUS
The central sulcus is formed by gyral formations that harbor the somatic sensory and
motor divisions of the cerebral cortex in the human brain.

4. FRONTAL LOBE: SUPERIOR, MIDDLE AND INFERIOR FRONTAL
GYRUS

5. INTRAPARIETAL SULCUS IS BETWEEN SUPERIOR AND INFERIOR PARIETAL
LOBULE.

6. PARIETO-OCCIPITAL SULCUS IS MARGIN BETWEEN PARIETAL AND
OCCIPITAL LOBE.

7. PREOCCIPITAL NOTCH

8. SUPERIOR, MIDDLE AND INFERIOR TEMPORAL GYRUS
Superior temporal sulcus is between the superior and middle temporal gyrus.
Inferior temporal sulcus is between the middle and inferior temporal sulcus.

9. LATERAL FISSURE
TENDS TO BE LONGER AND STRAIGHTER IN THE LEFT BRAIN
HEMISPHERE.

11. CORPUS CALLOSUM

12. CINGULATE GYRUS

13. CINGULATE SULCUS

14. SUPERIOR FRONTAL GYRUS

15. PARACENTRAL LOBULE: MOTOR AND SOMATIC SENSORY
PRESENTATION FOR FOOT (PRECENTRAL AND POSTCENTRAL
GYRUS).

16. PRECUNEUS GYRUS

17. CALCARINE SULCUS

18. LINGUAL GYRUS

19. MARGINAL BRANCH OF THE CINGULATE SULCUS CAN HELP TO
DETERMINE WHERE IS THE CENTRAL SULCUS!

20. PRECENTRAL GYRUS IS THE MOTOR CORTEX!

21. POSTCENTRAL GYRUS IS SOMATIC SENSORY CORTEX!
Inferior segment of central sulcus is motor (precentral gyrus) and
sensory (postcentral gyrus)
presentation for the FACE (just below the S shape)!

23. OLFACTORY TRACTS

24. OPTIC CHIASM

25. MAMMILLARY BODIES

26. CEREBRAL PEDUNCLES

27. PONS

28. MEDULLA OBLONGATA AND MEDULLA PYRAMIDS: CORTICOSPINAL TRACT
THAT CONTAINS FIBRES OF THE MOTOR CORTEX (VOLUNTARY MOVEMENT)
PEARSONS EDUCATION. INC (2011)

29. OLIVE

30. ORBITOFRONTAL CORTEX

31. LATERAL AND MEDIAL OCCIPITOTEMPORAL SULCUS
lateral
medial

32. PARAHIPPOCAMPAL GYRUS

34. INTERNAL
CAROTID
ARTERY
(ANTERIOR
CEREBRAL
CIRCULATION)
GIVES RISE TO
ANTERIOR AND
MIDDLE CEREBRAL
ARTERY
•

35. CIRCLE OF WILLISI

36. VERTEBRAL
ARTERIES
(POSTERIOR
CEREBRAL
CIRCULATION)

37. BASILAR ARTERY

38. POSTERIOR INFERIOR CEREBELLAR ARTERY AND ANTERIOR
INFERIOR CEREBELLAR ARTERY ARE BRANCHES OF BASILAR
ARTERY.

39. SUPERIOR CEREBELLAR ARTERY IS ALSO A
BRANCH OF THE BASILAR ARTERY.

40. VENOUS
CIRCULATION

41. • HTTPS://WWW.COURSERA.ORG/LEARN/MEDICAL-
NEUROSCIENCE/LECTURE: LEONARD E. WHITE, PHD, DUKE
UNIVERSITY.
• WWW.NEUROSCIENTIFICALLYCHALLENGED.COM
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