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In a previous communication on this subject (vide Alienist and Neurologist for January, 1891), I have called attention to the fact that in a perfectly healthy individual, whose spinal cord is entirely normal, especially in its genitospinal center, placed supine on a couch without headrest, nude about the loins, the sheath of the penis made tense by clasping the foreskin with the left index finger and thumb at about the place of the frænum, and pulling it firmly toward the umbilicus, placing the middle, ring and little finger low down upon the dorsum of the virile organ, the dorsum or sides of the penis, near the perineal extremity, then sharply precussed, a quick and very sensible reflex motor response or retraction of the bulbo-cavernous portion will be felt to result from this sudden percussional impression, like that which follows, though less pronounced, in the testicles, after sensory irritation of the
HUGHES CH. THE VIRILE AND OTHER NERVOUS REFLEXES.Read before the Section of Medical Jurisprudence and Neurology, at the Forty-second Annual Meeting of the American Medical Association, held at Washington, D. C., May, 1891. JAMA. 1891;XVII(19):727–730. doi:10.1001/jama.1891.02410970025001e
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