Figure 8­47
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The spherical neuronal cell bodies in the sensory ganglia are enclosed by satellite cells (arrows), which supply nour-
Holdings,
ishment and provide protection to the neurons.
The euchromatic nucleus, prominent nucleolus, and spherical shape of the large cell at the top of the image are
LLC.
characteristic features of sensory neurons. Nerve fibers course around the nerve cell body and in the areas between
Not
clusters of neurons. If you look closely, you might be able to identify nodes of Ranvier (arrowhead) in the right por-
to
tion of the field.
be
redistributed
The presence of pseudounipolar neuronal cell bodies is a feature of sensory ganglia. In contrast, autonomic ganglia
contain multipolar neurons that are much smaller in size than their sensory counterparts. The autonomic neurons
also have their nuclei eccentrically positioned in the cell. Although there are satellite cells associated with the auto-
or
nomic neurons, they do not completely encase the neurons as do the satellite cells in sensory ganglia. Lastly, syn-
modified
apses do indeed occur in autonomic ganglia. See the lesson set on autonomic ganglion for morphologic details.
in
any
way
without
permission.
403

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