Multiple choice In which part of the neuron are the tigroid bodies absent? Dendrites Perikaryon Axon hillock Soma Cyton Reveal answer Fill a bubble to check yourself C Correct answer Explanation The axon hillock is a specialized domain of the neuronal cell body from which the axon originates. A nissl body also known as nissl or tigroid substance is a large granular body found in neurons, but it cannot be seen in the axon or axon hillock.