HUMAN BRAIN

SOMSO

 

 

THIS SIDE - NUMERICAL ORDER

 

1,2       cerebral hemispheres

41        optic tract

3          corpus callosum

42        pulvinar of thalamus

4          medial & lateral longitudinal stria of

43        oculomotor nerve (III)

            corpus callosum (green lines)

44        mamillary body (green)

5          lateral ventricle (first & second)

45        trigeminal (N. V)

6a        anterior horn of lateral ventricle

46        abducens (N. VI)

6b        inferior horn of lateral ventricle

47        auditory (vestibulocochlear; N. VIII)

7          posterior horn of lateral ventricle

48        glossopharyngeal (N. IX)

8          third ventricle

49        inferior olive

9          cerebral aqueduct

50        pons

10        fourth ventricle

51        pyramids

11        body of fornix

52        hypoglossal (N. XII)

12, 16  choroid plexus (red)

53        pineal gland

13        temporal lobe

54        corpora quadrigemina (tectum =  

14        occipital lobe

            superior and inferior colliculi)

15        hippocampus (light green)

55        trochlear (N. IV)

17        dentate gyrus (dark green)

56        rhomboid fossa

            contains the hippocampus

57        tubercle of nucleus gracilis

18        fimbria of hippocampus

58        tubercle of nucleus cuneatus

            (becomes the fornix)

 

19        parahippocampal gyrus

 

20        frontal gyrus

 

21        olfactory bulb

 

22        olfactory tract

 

23        cerebellar hemisphere

 

24        cerebellar peduncles

 

25        flocculus

 

26        cerebellar tonsil

 

27        vermis

 

28, 34  island of Reil (insular cortex)

 

29        caudate nucleus

 

30        putamen

 

31        openings for projection tracts

 

32, 36  internal capsule

 

33        globus pallidus (dark red)

 

35        lentiform nucleus

 

37        striatum

 

38        thalamus

 

39        optic chiasm(a)

 

40        crus cerebri

 

 

 

HUMAN

 

REGIONAL/FUNCTIONAL GROUPINGS

 

 

 

CEREBRUM

VENTRICLES

1,2       cerebral hemispheres

5          lateral(first & second)

3          corpus callosum

6a        anterior horn of lateral ventricle

4          medial & lateral longitudinal stria of

6b        inferior horn of lateral ventricle

            corpus callosum (green lines)

7          posterior horn of lateral ventricle

12, 16  choroid plexus (red)

8          third

13        temporal lobe

9          cerebral aqueduct

14        occipital lobe

10, 56  fourth (rhomboid fossa )

15        hippocampus (light green) - a folded

 

            sheet of cerebral cortex

CEREBELLUM

            11        body of fornix

23        cerebellar hemisphere

            17        dentate gyrus (dark green)

24        cerebellar peduncles

            18        fimbria of hippocampus

25        flocculus

                        (becomes the fornix)

26        cerebellar tonsil

19        parahippocampal gyrus

27        vermis

20        frontal gyrus

 

21        olfactory bulb

MIDBRAIN

22        olfactory tract

40        crus cerebri (cerebral peduncles)

28, 34  island of Reil (insular cortex)

54        corpora quadrigemina

44        mamillary body

 

LIMBIC SYSTEM OF CEREBRUM

BRAINSTEM

                        - in green

50        pons

15        hippocampus (light green)

49        inferior olive of medulla

11        body of fornix

51        pyramids of medulla

17        dentate gyrus (dark green)

57        tubercle of nucleus gracilis

            contains the hippocampus

58        tubercle of nucleus cuneatus

18        fimbria of hippocampus

 

44        mamillary body

DIENCEPHALON

 

38        thalamus

BASAL NUCLEI OF CEREBRUM

42        pulvinar of thalamus

37        corpus striatum (red)

53        pineal gland

            29        caudate nucleus

 

            30        putamen

 

            31        openings for projection tracts

 

            32, 36  internal capsule

 

            33        globus pallidus (dark red)

 

            35        lentiform nucleus