EVERYDAY SCIENCE

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. For example, you have one pair of olfactory nerves.

Detailed explanation-2: -There are 12 pairs of cranial nerves and 31 pairs of spinal nerves which constitute the peripheral nervous system or PNS.

Detailed explanation-3: -The thirteenth cranial nerve, commonly referred to as the nervus terminalis or terminal nerve, is a highly conserved multifaceted nerve found just above the olfactory bulbs in humans and most vertebrate species. In most forms its fibers course from the rostral portion of the brain to the olfactory and nasal epithelia.

Detailed explanation-4: -Cranial nerves are the 12 nerves of the peripheral nervous system that emerge from the foramina and fissures of the cranium. Their numerical order (1-12) is determined by their skull exit location (rostral to caudal). All cranial nerves originate from nuclei in the brain.

Detailed explanation-5: -Olfactory nerve. Optic nerve. Oculomotor nerve. Trochlear nerve. Trigeminal nerve. Abducens nerve. Facial nerve. Vestibulocochlear nerve. More items