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Mesal aspect of a brain sectioned in the median sagittal plane

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Coronal section of brain immediately in front of pons.

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Coronal section of brain through intermediate mass of third ventricle.

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Hind- and mid-brains; postero-lateral view

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Median sagittal section of brain. The relations of the pia mater are

indicated by the red color

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The hypophysis cerebri, in position. Shown in sagittal section.

Scheme showing central connections of the optic nerves and optic tracts.

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Lateral surface of left cerebral hemisphere, viewed from the side.

Medial surface of left cerebral hemisphere

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Scheme showing relations of the ventricles to the surface of the brain.

Dissection showing the ventricles of the brain.

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Drawing of a cast of the ventricular cavities, viewed from the side.

(Retzius.)

Drawing of a cast of the ventricular cavities, viewed from above. (Retzius.)

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Areas of localization on lateral surface of hemisphere. Motor area in red.

Area of general sensations in blue. Auditory area in green. Visula area in

yellow. The psychic portions are in lighter tints

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Coronal section through mid-brain. (Schematic.) (Testut.) 1. Corpora quadrigemina. 2. Cerebral

aqueduct. 3. Central gray stratum. 4. Interpeduncular space. 5. Sulcus lateralis. 6. Substantia nigra. 7.

Red nucleus of tegmentum. 8. Oculomotor nerve, with 8, its nucleus of origin.a.Lemniscus (in blue)

with athe medial lemniscus and a"the lateral lemniscus. b.Medial longitudinal

fasciculus. c.Raph. d.Temporopontine fibers. e.Portion of medial lemniscus, which runs to the

lentiform nucleus and insula.f.Cerebrospinal fibers. g.Frontopontine fibers.

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Base of the brain and location of cranial nerves.

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I. Frontal bone.

II. Occipital bone.

III. Temporal bone.

IV. Falx cerebri.

V. Falx cerebelli.

VI. Superior saggital sinus. Superior longitudinal

sinus.

VII. Superior saggital sinus. Occipital sinus.

A) Frontal lobe (brain in the anterior cranial

fossa) [OBS].

B) Temporal lobe. Middle lobe (brain in the

middle cranial fossa) [OBS].

C) Occipital lobe. Posterior cerebral lobe (brain

in the posterior cranial fossa above the

tentorium and over the cerebellum [OBS].

D) Cerebellum (two hemispheres).E) Medulla oblongata.

a) Gyri.

b) Sulci (fold between the gryi).

c) Sylvian (lateral) fissure (lateralis cerebral

fossa), Thalamus.

d) Pyramid of medulla oblongata.

e) Olive of medulla oblongata.

f) Basis pontis. Pons (Varioli).

g) Brachium pontis (middle cerebellarpeduncle).

h) Cerebral peduncle.

i) Optic tract.

k) Optic chiasm.

l) Posterior perforate substance, middle

perforate substance (s. fundus of fourth

ventricle).

m) Mamillary body (s. candicantia).

n) Tuber cinereum.

o) Infundibulum.

p) Hypophysis (pituitary gland).

q) Lamina cribrosa (s. substantia perforata

anterior).

r) Olfactory bulb (Root of the olfactory nerve).

s) Olfactory tract.

t) Parahippocampal gyrus.

u) Uncus.

v) Horizontal sulcus, sulcus horizontalis of Reilii.

w) Pyramid of vermis.

x) Quadrangular lobule (s. superior anterior

lobule).

y) Superior semilunar lobule.

z) Inferior semilunar lobule.

a) Lobulus gracilis (s. lobulus tener).

b)Biventer lobule.g) Tonsil (s. spiral lobulus).

d) Flocculus.

1. olfactory nerve.

2. optic nerve.

3. oculomotor nerve.

4. trochlear nerve.

5. trigeminal nerve (s. divisus). sensory

division.

6. abducens nerve.

7.

facial nerve (s. communicans faciei).8. cochleovestibular nerve. statoacoustic

nerve (s. auditoris).

9. glossopharyngeal nerve.

10. vagus nerve (s. pneumogastric).

11. spinal accessory nerve (s. accessories of

Willis).

12. hypoglossal nerve.

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Inner surface of the brain, seen from above, exposing both lateral ventricles and the third

ventricle. The corpus callosum, septum pellucidum and fornix seen in front of 3. Ventricle of the

foramen of Monro is cut across and passes posteriorly.

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A) Frontal lobe (s. anterior cerebral lobe)

[OBS].

B) Temporal lobe (s. middle cerebral lobe)

[OBS].

C) Occipital lobe (s. posterior cerebral lobe)

[OBS].

D) Cerebellum.

E) Cortical grey matter. Substantia corticalis (s.

substantia cinereium).

F) Centrum, semiovale, white matter core,

Substantia alba (s. substantia medullaris).

I. Right lateral ventricle, cella lateralis.

II. Left lateral ventricle, cella lateralis.

III. Third ventricle.

IV. Anterior horn, lateral ventricle.

V. Posterior horn, lateral horn.VI. Inferior horn, lateral ventricle.

a) Corpus callosum (truncus with raphe).

b) Genu of corpus callosum.

c) Hippocampal commissure, forical

commissure, psalterium, Commissura fornix

[on the inferior surface of the splenium of

corpus callosum].

d) Septum pellucidum (with ventriculus septi

pellucidum).

e) Fornix.

f) Anterior crus of the fornix.

g) Posterior crus of the fornix.

h) Pes hippocampi major (s. cornu ammonis)

[with the fimbria fornix on the inner edge].

i) Calcar avis, Pes hippocampi minor .

k) Caudate nucleus.

l) Thalamus (optic thalamus).

m) Stria terminalis (stria cornea).

n) Massa intermedia.

o) Anterior commissure.

p) Posterior commissure.

q) Infundibular recess.r) Cerebral acqueduct, acqueduct of Sylvius

(cerebral anus).

s) Pineal gland.

t) Stalk of the pineal gland.

u) Corpora quadrigemina.

v) Choroid plexus.

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Inferior surface of the cerebellum, after removal of the medulla oblongata.

A) Pons (Varoli).

B) Brachium pontis (Middle cerebellar peduncle).

C) Cerebellar hemispheres.

D) Vermis of cerebellum

a) Cerebellar hemisphere, dorsal surface.

b) Cerebellar hemisphere, ventral surface.

c) Horizontal sulcus (s. magnus Reilii). Between the dorsal and ventral surfaces of cerebellarhemispheres.

d) Quadrangular lobule. (s. superior anterior).

e) Inferior semilunar lobule (s. inferior posterior).

f) Lobulus gracilis (s. tener) [Lobulus inferior anterior].

g) Biventer lobule (Lobulis ansiformis [Lobulus inferior anterior]).

h) Tonsil.

i) Flocculus.

k) Pyramid of vermis.

l) Nodulus (of Malacarne).

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Cerebellum and proximal end of the spinal cord, seen from below.

Hemisphere of cerebellum.

B. Superior vermis of cerebellum.

C. Inferior vermis of cerebellum.

D. Spinal cord.

E. Great horizontal sulcus (s. Reilii).

a) Central lobule, monticulus cerebelli (central part of superior vermis).

b) Culmen, folium cacuminis.

c) Quadrangular lobule, [lobulus quadrangularis (s. superior anterior)].

d) Tonsil.

e) Biventer lobule, (Lobulus ansiformis).

f) Lobulus gracilis (s. tener).

g) Inferior semilunar lobule, (s. inferior posterior).

h) Pyramid of vermis.

i) Lateral funiculus (spinal cord).

k) Fasciculus cuneatus (spinal cord).

l) Fasciculus gracilis (spinal cord).

m) posterior (dorsal) roots of spinal nerves.

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Pons and medulla oblongata.

A. Pons Varoli.

B. Medulla oblongata.

a) Brachium pontis (middle cerebellar

peduncle).

b) Restiform body (inferior cerebellar peduncle).

c) Inferior olive (olivary body).

d) Pyramid (s corpus pyramidale).

e) Decussation of pyramid (motor decussation).

f) Arcuate fibers.

g) Anterior (ventral) median fissure.

1. accessory nerve (CN XI).

2. vagus nerve (s. pneumogastric

nerve)(CN X).

3. glossopharyngeal nerve (CN IX)

.

4. Cochleo-vestibular nerve (CN VII).

5. facial nerve.

6. facial nervus intermedius (s. portio

minor facial nerve)