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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.
Many axons are covered by a myelin sheath formed from the cell membrane of a glial or Schwann cell. axon hillock. the elevation on the perikaryon from which the axon emerges. axon reflex. a nerve impulse conducted through nerve pathways limited to the single axon, without the participation of a nerve cell or synapse.