In this article, we shall look at the anatomy of the facial nerve — its anatomical course, functions and clinical correlations. The facial nerve is associated with the derivatives of the second pharyngeal arch :. The course of the facial nerve is very complex. There are many branches, which transmit a combination of sensory, motor and parasympathetic fibres. The nerve arises in the pons , an area of the brainstem.
The Facial Nerve (CN VII)
The Trigeminal Nerve (CN V) - Course - Divisions - TeachMeAnatomy
The trigeminal nerve the fifth cranial nerve , or simply CN V is a nerve responsible for sensation in the face and motor functions such as biting and chewing ; it is the most complex of the cranial nerves. The ophthalmic and maxillary nerves are purely sensory, whereas the mandibular nerve supplies motor as well as sensory or " cutaneous " functions. The motor division of the trigeminal nerve derives from the basal plate of the embryonic pons , and the sensory division originates in the cranial neural crest. Sensory information from the face and body is processed by parallel pathways in the central nervous system. The three major branches of the trigeminal nerve—the ophthalmic nerve V 1 , the maxillary nerve V 2 and the mandibular nerve V 3 —converge on the trigeminal ganglion also called the semilunar ganglion or gasserian ganglion , located within Meckel's cave and containing the cell bodies of incoming sensory-nerve fibers.



Trigeminal dermatome distribution in patients with glaucoma and facial port wine stain
The trigeminal nerve, CN V, is the fifth paired cranial nerve. It is also the largest cranial nerve. In this article, we shall look at the anatomical course of the nerve, and the motor, sensory and parasympathetic functions of its terminal branches. Sensory : The three terminal branches of CN V innervate the skin, mucous membranes and sinuses of the face.
DermNet provides Google Translate, a free machine translation service. Note that this may not provide an exact translation in all languages. Copy edited by Gus Mitchell. June A dermatome is an area of skin that is primarily supplied by a single nerve root: communicating sensation from this skin region to the brain.
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