The facial nerve is one of the key cranial nerves with a complex and broad range of functions. Although at first glance it is the motor nerve of facial expression which begins as a trunk and emerges from the parotid gland as five branches see facial nerve branches mnemonic , it has taste and parasympathetic fibers that relay in a complex manner. The facial nerve is the only cranial nerve that may show normal post-contrast enhancement, although this applies only to the labyrinthine segment up to the stylomastoid foramen. Enhancement of the other segments of the facial nerve and other cranial nerves is considered pathologic. Three brainstem nuclei contribute to the facial nerve: one motor, one secretomotor, and one sensory:. The facial nerve has six named segments facial nerve segments mnemonic :.
The absent facial nerve pes anserinus: implications for parotid surgery.
Parotidectomy with Facial Nerve Dissections | Iowa Head and Neck Protocols
Synonym s : parotid plexus of facial nerve. Synonym s : intraparotid plexus of facial nerve. The combined tendinous expansions of the sartorius, gracilis, and semitendinosus muscles at the medial border of the tuberosity of the tibia. The network of branches of the facial nerve as it passes through the parotid gland. The combined tendinous expansions of the sartorius, gracilis, and semitendinosus muscles at the medial border of the tibial tuberosity. See: illustration. Mentioned in?
The management of facial paralysis continues to evolve. Understanding the facial nerve anatomy and the different methods of evaluating the degree of facial nerve injury are crucial for successful management. When the facial nerve is transected, direct coaptation leads to the best outcome, followed by interpositional nerve grafting. In cases where motor end plates are still intact but a primary repair or graft is not feasible, a nerve transfer should be employed.
The parotid plexus or pes anserinus " goose 's foot" or plexus parotideus is the branch point of the facial nerve extratemporal after it leaves the stylomastoid foramen. This division takes place within the parotid gland. From Wikipedia, the free encyclopedia. Redirected from Pes anserinus facial nerve.