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Science 22 December 1972:
Vol. 178. no. 4067, pp. 1295 - 1298
DOI: 10.1126/science.178.4067.1295
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Articles

Genital Sensory Field: Enlargement by Estrogen Treatment in Female Rats

Barry R. Komisaruk 1, Norman T. Adler 2, and John Hutchison 3

1 Institute of Animal Behavior, Rutgers-The State University of New Jersey, Newark 07102
2 Department of Psychology, University of Pennsylvania, Philadelphia 19104
3 Sub-Department of Animal Behaviour, Cambridge University, Cambridge, England

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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Science. ISSN 0036-8075 (print), 1095-9203 (online)