Injury to which of the following structure can cause damage to lacrimal secretion:-: (A) Ciliary ganglion, (B) Pterygopalatine ganglion, (C) Optic nerve, (D) Oculomotor nerve
Answer is B. Damage to Pterygopalatine ganglion can cause damage to lacrimal secretion Nerve Supply of Lacrimal Gland Sensory Supply: lacrimal nerve Sympathetic supply: Carotid plexus of cervical sympathetic chain Secretomotor fibres: Salivary nucleus -----> greater petrosal nerve ----> synapse at pterygopalatine ganglion ----> zygomatic nerve ----> lacrimal nerve-----> lacrimal gland