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.
The Southern California mountain ranges experience similar weather patterns to the Sierra Nevada range, but do not experience as much snowfall in the upper regions due to their lower elevations.he California Coastal Mountain range runs parallel to the coastline, stretching about two-thirds of the length of the state, with a break in the range at the San Francisco Bay area.