Neonatal castration: Influence on neural organization of sexual reflexes in male rats

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Abstract

Most male rats castrated 4 days after birth and given exogenous testosterone in adulthood were sexually motivated but incapable of completing the mating sequence with an ejaculatory response. When tested for sexual reflexes after spinal transection, these animals displayed impairment of genital responses. Similarly treated 12-day castrates exhibited a complete mating sequence and had normal sexual reflexes. Thus neonatal testicular androgen appears to have an organizational influence at the spinal level on neural tissue mediating sexual reflexes.

Original languageEnglish (US)
Pages (from-to)1135-1136
Number of pages2
JournalScience
Volume160
Issue number3832
DOIs
StatePublished - Jan 1 1968

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