Generator area in a nerve cell is: (A) Cell body, (B) Initial segment, (C) Axon, (D) Dendrites
Answer is B. The first poion of the axon is called the initial segment. The Initial segment in spinal motor neurons, the initial node of Ranvier in cutaneous sensory neurons is a site where propagated action potentials are generated.(Ref: Ganong's Review of Medical Physiology Twenty-Third Edition)