S.N.

1.

NO.

I

NAME

Olfactory

ORIGIN & DISTRIBUTION

Olfactory epithelium

2.

II

Optic

Retina

3.

III

Oculomotor

Eye muscle

4.

IV

Pathetic (Trochlear)

Eye muscle

5.

V

(Smallest)

Trigeminal (Thickest)

Dentist Nerve

In it glassarian ganglion present

(a) Ophthelmic

(b) Maxillary

(c) Mendibular

Snout Upper jaw Lower jaw

6.

VI

Abducens (Thinnest)

Eye muscle

7.

VII

Facial

(a) Palatine

Buccal cavity

(b) Hyomendibular

Tongue

8.

VIII

(c) Chorda tympani

Auditory

Salivary gland

(a) Vestibular

9.

IX

(b) Cochlear

Glossopharyngeal

Ear

(a) Lingual

Tongue

10.

X

(b) Pharyngeal

Vagus (Largest)

Pharynx

(a) Anterior laryngeal

Larynx

(b) Cardiac depressor

Heart

(c) Recurrent laryngeal

Larynx

(d) Main vagus

Heart, Lungs, Stomach, Intestine

Also known as pneumogestric

or wandering nerve.

11.

XI

Accessory Spinal

Muscle of neck & shoulder

12.

XII

Hypoglossal

Tongue & lower jaw