There are four such nerves in our peripheral nervous system namely the Trigeminal nerve CN V Facial nerve CN VII Glossopharyngeal nerve CN IX and Vagus nerve CN X. Learning the cranial nerves is a tradition in anatomy courses and students have always used mnemonic devices to remember the nerve names. Motor Cranial Nerves Anatomy Functions And Components Kenhub Which cranial nerve is composed of only motor fibers. . Cranial nerve IX or the glossopharyngeal nerve is composed of motor and sensory nerve fibers and is a mixed nerve. V VII VIII IX and X. It is instrumental in the sense of smell. Special visceral efferent SVE motor innervation is to the muscles of facial expression and exit the skull through the stylomastoid foramen deep to the parotid gland. These motor fibers belong to the parasympathetic division of the autonomic nervous system. The vagus nerve is the longest cranial nerve. It is classified as...
Comments
Post a Comment