This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2019, Subject name: Anatomy
Lacrimal gland is supplied through parasympathetic system. It is supplied by which ganglion? 
Select and explain. 
A. Ciliary ganglia, B. Otic ganglia, C. Pterygopalatine, D. Submandibular
C: Pterygopalatine
Answer: C: Pterygopalatine 
Explanation: 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