PATHOLOGY

Detailed explanation-1: -How many cranial nerves are there? You have 12 cranial nerve pairs. Each nerve pair splits to serve the two sides of your brain and body.

Detailed explanation-2: -Cranial nerve XIII is also known as the “zero nerve” or “nerve N”. First discovered in 1870 in sharks and other types of fish, it was initially referred to as the nerve of pinkus.

Detailed explanation-3: -Olfactory nerve (CN I), optic nerve (CN II), oculomotor nerve (CN III), trochlear nerve (CN IV), trigeminal nerve (CN V), abducens nerve (CN VI), facial nerve (CN VII), vestibulocochlear nerve (CN VIII), glossopharyngeal nerve (CN IX), vagus nerve (CN X), accessory nerve (CN XI), and hypoglossal nerve (CN XII).