Give two ways the dorsal root ganglia and the visceral ganglia are
alike and three ways they are different.

The spinal ganglia are a group of nodules located in the dorsal or posterior roots of the spinal nerves, where the bodies of neurons in the afferent or sensory pathways of the peripheral nervous system are housed.

spinal ganglia

Nerve ganglia are groups of cells that constitute small nodules located outside the central nervous system that function as a relay or intermediate connections between different neurological structures in the body.

They can be divided into two types: the vegetative ganglia, consisting of multipolar nerve cells located around the viscera on which it acts, receive signals from the central nervous system and send them to the periphery (efferent function); and spinal ganglia or dorsal root ganglia, consisting of abundant distinctive neuronal connections, which are responsible for receiving signals from the periphery to send them to the brain (afferent function).

The spinal ganglia collect and modulate the sensitive information, and constitute from the functional point of view the deposits of the neuronal soma of the primary afferent fibers of the entire sensory system, having specialized in the upper animals as organs located outside the central nervous system.

The spinal ganglia group includes the spinal ganglia and the trigeminal (or Gasser), the facial (or geniculate), the glossopharyngeal (extracranial or Andersch and intracranial or Ehrenritter) and the vagus (jugular and knotty) ganglia. .

The VIII pair or statoacoustic nerve also has two ganglia, the vestibular or Scarpa and the cochlear, spiral or Corti, but its bipolar neurons correspond to second-order neurons of a specialized sensory pathway whose functional meaning is not exactly similar to that of the general sensory or spinal ganglia.

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