This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
Largest parasympathetic peripheral ganglion is? 
Select and explain. 
A. Cilliary ganglion, B. Otic ganglion, C. Sphenopalatine ganglion, D. None
C: Sphenopalatine ganglion
Answer: C: Sphenopalatine ganglion 
Explanation: Pterygopalatine ganglion or sphenopalatine ganglion is the LARGEST parasympathetic peripheral ganglion. It contains secretomotor fibres to the lacrimal gland and to mucous glands of nose, paranasal sinuses, the palate and the nasopharynx.