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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.
An action potential originates at the axon hillock, the junction of the axon and cell body, and is actively conducted down the axon into the axon terminals, small branches of the axon that form the synapses, or connections, with other cells (Figure 21-2b).UMMARY. The cell body of a neuron contains the nucleus and lysosomes and is the site of synthesis and degradation of virtually all neuronal proteins and membranes. Axons are long processes specialized for the conduction of action potentials away from the neuronal cell body.