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What is TRUE/FALSE regarding blood supply of facial nerve is/are? 1. Ascending Pharyngeal aery 2. Greater palatine aery 3. Middle meningeal aery 4. Labyrinthine branch of ethmoidal aery 5. Stylomastoid branch of occipital aery and explain in detail?
Blood supply of facial nerve: Aerial supply: In Canal: 1. Superficial petrosal (branch of middle meningeal aery) 2. Stylomastoid (branch of posterior auricular or occipital aery) Extracranially: 1. Stylomastoid (branch of posterior auricular or occipital aery) 2. Superficial temporal, transverse facial and tympanic (branch of ascending pharyngeal aery) Venous drainage: 1. Venae comitantes of superficial petrosal and stylomastoid aeries.