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Base of the brain and cerebellum, together with the cranial nerves.

Base of Brain and Cerebellum

Base of the brain and cerebellum, together with the cranial nerves.

The brain and the cranial nerves seen partly in section and partly in side view. Labels: C, convolutions of the cerebrum; Cbl, cerebellum in section; MD medulla oblongata: Sp N, spinal nerve. The numbers indicate the twelve pairs of cranial nerves in order.

Brain and Cranial Nerves

The brain and the cranial nerves seen partly in section and partly in side view. Labels: C, convolutions…

The base of the brain. The cerebral hemispheres are seen overlapping all the rest. Labels: I, olfactory lobes; II, optic tract passing to the optic chiasma from which the optic nerves proceed; III, the third nerve or motor oculi; IV, the fourth nerve or patheticus; V, the fifth nerve or trigminalis; VI, the sixth nerve or abducens; VII, the seventh or facial nerve; VIII, the auditory nerve; IX, the ninth or glossopharyngeal; X, the tenth or pneumogastric or vagus; XI, the spinal accessory; XII, the hypoglossal; ncI, the first cervical spinal nerve.

Base of the Brain

The base of the brain. The cerebral hemispheres are seen overlapping all the rest. Labels: I, olfactory…

View of the under surface of the brain, with the lower portion of the temporal and occipital lobes, and the cerebellum on the left side removed, to show the origins of the cranial nerves.

Under Surface of the Brain

View of the under surface of the brain, with the lower portion of the temporal and occipital lobes,…

Diagram of the projection fibers of the cerebrum. Labels: B, motor (pyramidal) tract; C, body-sense tract; D, visual tract; E, auditory tract; F, G and H, upper, middle and lower peduncles of cerebellum; K, decussation of pyramids. Numerals refer to cranial nerves.

Projection Fibers of the Cerebrum

Diagram of the projection fibers of the cerebrum. Labels: B, motor (pyramidal) tract; C, body-sense…

Deep origins of cranial nerves from the fourth ventricle.

Cranial Nerves

Deep origins of cranial nerves from the fourth ventricle.

The cranial nerves (nervi cerebrales).

The Cranial Nerves

The cranial nerves (nervi cerebrales).

Diagram of the cranial nerves, 1-4 (Olfactory, Optic, Motor Oculi, and Trochlear).

The Cranial Nerves

Diagram of the cranial nerves, 1-4 (Olfactory, Optic, Motor Oculi, and Trochlear).

Diagram of the 5th cranial nerve (the trigeminus).

The Cranial Nerves

Diagram of the 5th cranial nerve (the trigeminus).

Diagram of the cranial nerves 9, 10, and 11 (glosso-pharyngeal, pneumogastric, and spinal accessory).

The Cranial Nerves

Diagram of the cranial nerves 9, 10, and 11 (glosso-pharyngeal, pneumogastric, and spinal accessory).

Diagram of the cranial nerves 6, 8, and 12 (Abducens, Auditory, and Hypoglossal).

The Cranial Nerves

Diagram of the cranial nerves 6, 8, and 12 (Abducens, Auditory, and Hypoglossal).