Retrieved from " https: All in One Anatomy Review - Volume 6: Click here to submit questions or comments about this site. Intracranial lesions occur during the intracranial course of the facial nerve proximal to the stylomastoid foramen. The facial nerve has a wide range of functions. All the arteries supplying the face anastomose with each other and with the facial branches of the ophthalmic and maxillary arteries quite freely. In one patient, one branch crossed above the lower border of the mandible and the other branch below the lower border of the mandible.
The other symptoms produced depend on the location of the lesion, and the branches that are affected:.
National Center for Biotechnology InformationU. Once the nerve was identified, it was traced both backwards and forward till the whole nerve was exposed. People may suffer from acute facial nerve paralysiswhich is usually manifested by facial paralysis. Fine hairs grow from the superficial layer of the skin, which is accordingly rich in oil-secreting sebaceous glands. Vl ophthalmic to the orbit, V2 maxillary to the upper jaw, and V3 mandibular to the lower jaw. Innervates the muscles of facial expression, the posterior belly of the digastric, the stylohyoid and the stapedius muscles. Even in cases where the gland itself does not compress the nerve, it is important to be aware of the relationship between the parotid gland and the facial nerve.