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  The initial region of the axon arises from a cone-shaped area of the cell body called the axon hillock (little hill).4 people found this useful.ETWEEN NEURONS: A neural signal can be passed from one neuron to another, at a synapse, across the synaptic cleft, by the release of chemicals called neurotransmitters from the presynaptic neuron, which diffuse across the synaptic cleft, to fit into receptors on the postsynaptic neuron.
Dendrites are short, cytoplasmic extensions from the neuron cell body. They are specialized. to receive stimuli, which can result in the production of an action potential in the neuron. 3. Axons, or nerve fibers, are long cytoplasmic extensions from the neuron cell body. A. The axon arises from an enlarged area of the neuron cell body called the axon hillock. The beginning of the axon is called the initial segment. The trigger zone consists of the. axon hillock and initial segment.