1. Gross Structure of the Brain
Won Taek Lee, M.D., Ph.D.
Deptartment of Anatomy
Yonsei Univ. College of Medicine

2. Gross Divisions of the Brain
 Cerebrum
(cerebral hemisphere)
 Diencephalon
 Cerebellum
 Brainstem

3. Embryonic (developmental) divisions of the Brain
telencephalon
Cerebral cortex
Cerebral white matter
Basal ganglia
metencephalon
Cerebellum
Pons
Primary vesicle
Secondary vesicle
Derivatives
Prosencephalon
diencephalon
Thalamus
Hypothalamus
Subthalamus
Epithalamus
Mesencephalon
mesencephalon
Midbrain
Rhombencephalon
myelencephalon
Medulla oblongata

4. Inner Structures of the Brain
Basal ganglia
Thalamus
Hypothalamus
Midbrain
Pons
Medulla oblongata

5. Cerebrum – Cerebral Hemisphere
Telencephalic structure –lateral ventricles
Cerebral Cortex
- lobes, gyrus & sulcus
2. Cerebral White Matter
(medullary center)
3. Basal Ganglia

6. Lobes of the Cerebral Cortex (lateral surface)
Frontal lobe
Parietal lobe
Temporal Lobe
Occipital lobe
Limbic lobe

7. Lobes of the Cerebral Cortex (medial surface)
Frontal lobe
Parietal lobe
Temporal Lobe
Occipital lobe
Limbic lobe

8. Lobes of the Cerebral Cortex (basal surface) Frontal lobe
Parietal lobe
Temporal Lobe
Occipital lobe
Limbic lobe

9. Gyri of the Frontal Lobe
Lateral Surface
Precentral Gyrus --- primary motor area
Superior Frontal Gyrus
Middle Frontal Gyrus
Inferior Frontal Gyrus
Pars Opercularis
Pars Triangularis
Pars Orbitalis
Medial Surface
Medial Frontal Gyrus
Paracentral Lobule
Basal Surface
Rectus Gyrus
Orbital Gyrus
] Broca’s area (dominant hemisphere)

10. Gyri of the Cerebral Cortex (Lateral Surface)

11. Gyri of the Cerebral Cortex (Medial Surface)

12. Gyri of
the Cerebral Cortex
(basal surface)

13. Gyri of the Parietal Lobe
Lateral Surface
Postcentral Gyrus ---- primary somesthetic area
Superior Parietal Lobule
Inferior Parietal Lobule ---- Wernicke’s area
Supramarginal Gyrus
Angular Gyrus
Medial Surface
Paracentral Lobule
Precuneus

14. Gyri of the Cerebral Cortex (Lateral Surface)

15. Gyri of the Cerebral Cortex (Medial Surface)

16. Gyri of the Occipital Lobe
Lateral Surface
Lateral Occipital Gyrus
Superior Occipital Gyrus
Inferior Occipital Gyrus
Medial Surface
Cuneus
Lingual Gyrus
Basal Surface
Occipitotemporal Gyrus

17. Gyri of the Cerebral Cortex (Lateral Surface)

18. Gyri of the Cerebral Cortex (Medial Surface)

19. Gyri of
the Cerebral Cortex
(basal surface)

20. Gyri of the Temporal Lobe
Lateral Surface
Superior Temporal Gyrus
Middle Temporal Gyrus
Inferior Temporal Gyrus
Basal Surface
Lingual Gyrus
Occipitotemporal Gyrus
Medial Occipitotemporal Gyrus
Lateral Occipitotemporal Gyrus

21. Gyri of the Cerebral Cortex (Lateral Surface)

22. Gyri of
the Cerebral Cortex
(basal surface)

23. Gyri of the Limbic Lobe Outer Ring Cingulate Gyrus
Isthmus of Cingulate Gyrus
Parahippocampal Gyrus
Uncus, Uncinate Gyrus
Inner Ring
Hippocampal Formation
Hippocampus, Ammon's Horn
Dentate Gyrus
Fasciolar Gyrus
Indusium Griseum (Supracallosal Gyrus)
Paraterminal Gyrus (Subcallosal Gyrus)
Subcallosal Area (Parolfactory Area)

24. Gyri of the Cerebral Cortex (Medial Surface)

25. Gyri of
the Cerebral Cortex
(basal surface)

26. Structures of the Lateral Surface of the Brain

27. Structures of the Medial Surface of the Brain

28. Structures of the Basal Surface of the Brain

29. Insula of Reil

30. Structures around the Limbic Lobe

31. Structures of the Limbic Lobe

32. Structures of the Limbic Lobe

33. Structures of Fonix Uncus Hippocampus Fimbria Crus Commissure Corpus
Column
Mammillary body

34. Cerebral White Matter Projection fiber Corona radiata
Commissural fiber
Corpus callosum
rostrum, genu, trunk, splenium
Anterior commissure
Commissure of fornix
Association fiber
Short association fiber
Long association fiber

35. Projection Fibers

36. Projection Fibers

37. Internal Capsule 1. Corticobulbar tract 2. Corticospinal tract
3. Corticothalamic fiber
4. Thalamocortical fiber
5. Auditory radiation
6. Optic radiation
14. Corticorubral fiber

38. Commissural Fibers Corpus callosum 3. Forceps minor
Anterior commissure Forceps major

39. Association Fibers (lateral surface)
1. Superior longitudinal fasciculus Uncinate fasciculus
2. Inferior occipitotemporal fasciculus Perpendicular occipital fasciculus

40. Association Fibers (medial surface)
1. Cingulum 4. Superior occipitofrontal fasciculus
2. Uncinate fasciculus 5. Perpendicular occipital fasciculus
3. Inferior longitudinal fasciculus

41. Fibers of Cerebral White Matter (coronal section)
1. Corpus callosum
2. Internal capsule
3. Superior occipitofrontal
fasciculus
4. Superior longitudinal
5. Inferior occipitofrontal
6. Cingulum
7. Uncinate fasciculus
8. Inferior longitudinal

42. Basal Ganglia (traditional concept)
Corpus striatum
lenticular nucleus
putamen
globus pallidus
caudate nucleus
Amygdaloid body

43. Basal Ganglia

44. Basal Ganglia

45. Rhinencephalon

46. Ventricular System

47. Lateral Ventricle and Hippocampus

48. Diencephalon Thalamus Hypothalamus Epithalamus Subthalamus
3rd ventricle and
tela choroidea

49. Diencephalon

50. Ventral Surface of Diencephalon

51. Cerebellum Anterior Lobe Posterior Lobe Flocculonodular Lobe
flocculus, nodulus
Vermis
Paravermal Region
Cerebellar Hemisphere

52. Cerebellum (posterosuperior view)

53. Cerebellum (posteroinferior view)

54. Cerebellum (anterior view)

55. Cerebellum (medial view)

56. Brain Stem Midbrain Pons Medulla Oblongata 4th Ventricle
Rhomboid Fossa

57. Brain
Stem
Anterior
surface

58. Brain
Stem
Posterior
surface

59. Brain
Stem
dorsolateral
view

60. Tracts of the brain stem and cerebellum (dissected).

61. Rhomboid Fossa

62. Roof of the 4th Ventricle

63. Embryonic (developmental) divisions of the Brain
telencephalon
Cerebral cortex
Cerebral white matter
Basal ganglia
metencephalon
Cerebellum
Pons
Primary vesicle
Secondary vesicle
Derivatives
Prosencephalon
diencephalon
Thalamus
Hypothalamus
Subthalamus
Epithalamus
Mesencephalon
mesencephalon
Midbrain
Rhombencephalon
myelencephalon
Medulla oblongata