Genital Sensory Field: Enlargement by Estrogen Treatment in Female Rats

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Science  22 Dec 1972:
Vol. 178, Issue 4067, pp. 1295-1298
DOI: 10.1126/science.178.4067.1295


Recordings of neuronal activity in the pudendal, genitofemoral, and pelvic nerves indicate that the sensory fields of these three nerves are the perineum, the caudal abdomen, and the vagino-cervical area and rectum, respectively. The sensory field of the pudendal nerve was significantly larger in estrogen-treated ovariectomized female rats than in uninjected controls. This effect of estrogen was not mediated by pudendal efferents.

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