"E-e"

# Ear : The organ of hearing and of equilibrium. It consists of three parts : External Ear, Middle Ear, and Internal Ear. # ECG : Electro Cardio Gram # Echolalia : The pathological involuntary repetition of phrases or words spoken by another person. # Echopraxia : The automatic repetition of the movement of other. # Echovirus : A group of viruses, the name of which was derived from the first letters of the description enteric cypathogenic human orphan. At the time of the isolation of the viruses the disease they caused were not known, hence the term orphan.