structure of axon. in nervous system: Axon. The axon arises from the soma at a region called the axon hillock, or initial segment. This is the region where the plasma membrane generates nerve impulses; the axon conducts these impulses away from the soma or dendrites toward other neurons.
The type of land form that the Sierra Nevada and coastal ranges have is called a basin.
A: A piedmont landform results due to changes in stream flow at the base of a mountain or range of mountains. The name comes from the Piedmont district of Italy. In the United States, the term describes the landforms between the Appalachians and the Atlantic coastal plains.