Trigeminal nerve is a mixed nerve. It is the largest of the cranial nerves. It is connected to the lateral […]

Trochlear nerve is the motor nerve to the superior oblique muscle of the eyeball. It is the finest of the cranial

Occulomotor nerve is the motor nerve to the muscles of the eyeball. It arises from the ventromedial aspect of the

Optic nerve is a nerve of sense for sight. This nerve is composed of medullated fibres devoid of neurilemma which

Olfactory nerve is a nerve of special sense for smell. It consists of fibers which are the axons of the

No. Name Kind Origin 1. Olfactory nerve Nerve of special sense (smell) Fore Brain 2. Optic nerve Nerve of special

There are twelve pairs of cranial nerves in animals- The first pair or olfactory nerve joins the convex ventral face

Ascending tract Ventral spino -thalamic tract: This ascending tract consists of fibres derived from the sensory neurons of dorsal gray column,

Ascending tracts Lateral spino thalamic tract: It lies medial to the preceding. The fibres arise from the dorsal horn of

Fasciculus gracilis Comma tract Fasciculus cuneatus. The first two are ascending tracts conveying the same types of sensations. Fasciculus gracilis