Noun
one of two roots of a spinal nerve that passes dorsally from the spinal cord and that consists of sensory fibers
Source: WordNetCats, sheep and mice Researchers studying the peripheral and central afferent pathways from the feline clitoris concluded that "Afferent neurons projecting to the clitoris of the cat were identified by WGA-HRP tracing in the S1 and S2 dorsal root ganglia. Source: Internet
This information is sent from receptors of the skin, bones, and joints through sensory neurons whose cell bodies lie in the dorsal root ganglion. Source: Internet