This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General Embryology 2, Subject name: Anatomy
Nerve associated with pharyngeal cleft is derived from 
Select and explain. 
A. Neural crest cells, B. Mesoderm, C. Neural plate ectoderm, D. Notochord
A: Neural crest cells
Answer: A: Neural crest cells 
Explanation: Nerves of pharyngeal cleft - pretrematic nerve Eg: chorda tympani, tympanic branch of glossopharyngeal nerve. Ganglia are derived from neural crest cells Thus, nerves of pharyngeal clefts are derived from Neural crest cells.