Cranial Nerves List and Function PDF

The Cranial Nerves List includes the olfactory nerve, optic nerve, oculomotor nerve, trochlear nerve, trigeminal nerve, abducens nerve, facial nerve, vestibulocochlear nerve, glossopharyngeal nerve, vagus nerve, accessory nerve, and hypoglossal nerve

Cranial Nerves List

The Cranial Nerves List comprises 12 pairs of nerves that originate from the brain and are vital for maintaining essential bodily functions. These nerves serve various purposes, including relaying sensory information, controlling muscles, and regulating the activity of glands and internal organs.

The cranial nerves are responsible for transmitting information from the brain to various parts of the body, primarily the head and neck regions. These nerves occur in pairs and are present on both sides of the body. They play a crucial role in facilitating functions such as smell, vision, hearing, and muscle movement. Unlike spinal nerves, cranial nerves arise directly from the brain and exit through its foramina. Most of these nerves originate in the brainstem and travel through the muscles and sense organs in the head and neck. As a result, cranial nerves are primarily associated with the head, neck, and other facial regions of the body.

Cranial Nerves List

The 12 cranial nerves are assigned Roman numerals based on their emergence order from the brain, beginning from the front and ending at the back. While cranial nerves are generally considered part of the peripheral nervous system, the olfactory and optic nerves are classified as components of the central nervous system. Most of these nerves belong to the somatic system and are responsible for sensory and motor functions. Some cranial nerves contain only sensory or motor fibers, while others are mixed nerves that contain both types of fibers.
Below is the list of cranial nerves, their location and their respective functions.

Cranial Nerves ListLocationTypeFunction
Olfactory (I)Cribriform plateSensorySmell
Optic (II)Optic foramenSensoryVision
Oculomotor (III)Superior orbital fissureMotorEye movement
Trochlear (IV)Superior orbital fissureMotorEye movement
Trigeminal (V)Superior orbital fissureMixedFacial sensation
Abducens (VI)Superior orbital fissureMotorEye movement
Facial (VII)Internal auditory canalMixedFacial expression
Vestibulocochlear nerve (VIII) (auditory vestibular nerve)Internal auditory canalSensoryHearing and balance
Glossopharyngeal (IX)Jugular foramenMixedOral sensation and taste
Vagus (X)Jugular foramenMixedVagus nerve
Accessory (XI)Jugular foramenMotorShoulder elevation and head-turning
Hypoglossal (XII)HypoglossalMotorTongue movement
Cranial Nerves List

Cranial Nerves list and Function PDF

Download list of Cranial Nerves with their function pdf from below link.

12 Cranial Nerves
12 cranial nerves and their function

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