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: Surgery
Which among the following is true about ganglion? 
Select and explain. 
A. Collection of neurons in CNS, B. Collection of neurons outside the CNS, C. Collection of dendrites, D. Any collection of neurons
B: Collection of neurons outside the CNS
Answer: B: Collection of neurons outside the CNS 
Explanation: The definition of a ganglion is a collection of neuron cell bodies located outside the central nervous system. It has a discrete structure with a well-defined connective tissue outer capsule. Inside the ganglion are neuron cell bodies. They occur in the dorsal roots of spinal nerves; in the sensory roots of the trigeminal, facial, glossopharyngeal, vagal and vestibulocochlear cranial nerves; in autonomic nerves and the enteric nervous system.