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.
REGIONS The three landforms of North Carolina comprise the three major geographic regions of the state: Coastal Plain, Piedmont, and Mountains. Coastal Plain North Carolina's Coastal Plain is low, flat land along the Atlantic Ocean. It is often divided into two parts-the Outer Coastal Plain and the Inner Coastal Plain.