PHHumanPhy (Lecture) | Module 4: NERVOUS SYSTEM (CRANIAL NERVES AND THEIR FUNCTIONS)

Olfactory, Optic, Oculomotor, Trochlear, Trigeminal, Abducens, Facial, Vestibulocochlear, Glossopharyngeal, Vagus, Accessory, and Hypoglossal

Mnemonic: Oh Oh Oh To Touch And Feel a Virgin Girl's Vagina Ah Heaven

Vagus

Most important parasympathetic nerve in the body that regulates heart rate, respiratory rate, digestion.

Sensory

GENERAL FUNCTION of Olfactory

Sensory

GENERAL FUNCTION of Optic

Somatic Motor, Parasympathetic

GENERAL FUNCTION of Oculomotor

Somatic Motor

GENERAL FUNCTION of Trochlear

Sensory, Somatic Motor

GENERAL FUNCTION of Trigeminal

Somatic Motor

GENERAL FUNCTION of Abducens

Sensory, Somatic Motor, Parasympathetic

GENERAL FUNCTION of Facial

Sensory

GENERAL FUNCTION of Vestibulocochlear

Sensory, Somatic Motor, Parasympathetic

GENERAL FUNCTION of Glossopharyngeal

Sensory, Somatic Motor, Parasympathetic

GENERAL FUNCTION of Vagus

Somatic Motor

GENERAL FUNCTION of Accessory

Somatic Motor

GENERAL FUNCTION of Hypoglossal

Olfactory

SPECIFIC FUNCTION: Smell

Optic

SPECIFIC FUNCTION: Vision

Oculomotor

SPECIFIC FUNCTION: Motor to four of six extrinsic eye muscles and upper eyelid; parasympathetic: constricts pupil, thickens lens

Trochlear

SPECIFIC FUNCTION: Motor to one extrinsic eye muscle

Accessory

SPECIFIC FUNCTION: Motor to two neck and upper back muscles

Trigeminal

SPECIFIC FUNCTION: Sensory to face and teeth; motor to muscles of mastication (chewing)

Hypoglossal

SPECIFIC FUNCTION: Motor to tongue muscles

Abducens

SPECIFIC FUNCTION: Motor to one extrinsic eye muscle

Facial

SPECIFIC FUNCTION: Sensory: taste; motor to muscles of facial expression; parasympathetic to salivary and tear glands

Vestibulocochlear

SPECIFIC FUNCTION: Hearing and balance

Glossopharyngeal

SPECIFIC FUNCTION: Sensory: taste and touch to back of tongue; motor to pharyngeal muscles; parasympathetic to salivary glands

Vagus

SPECIFIC FUNCTION: Sensory to pharynx, larynx, and viscera; motor to palate, pharynx, and larynx: parasympathetic to viscera of thorax and abdomen