Role of genital sensory information in the control of the functioning of the spinal generator for ejaculation

被引：0
作者：
M Carro-Juárez
G Rodríguez-Manzo
机构：
[1] Universidad Autónoma de Tlaxcala,Laboratorio de Comportamiento Reproductivo, Escuela de Medicina Veterinaria y Zootecnia
[2] Col Granjas Coapa,Departamento de Farmacobiologia CINVESTAV IPN
来源：
International Journal of Impotence Research | 2005年 / 17卷
关键词：
fictive ejaculation; sensory control; spinal pattern generator; inhibition of ejaculation; spinal cord;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
An intrinsic spinal rhythm mediates fictive ejaculation (FE). In this study, the effect of genital sensory stimulation on the functioning of the spinal generator of ejaculation was investigated. To this aim, the effect of (a) stimulation of internal and external genital structures; (b) repeated elicitation of FE and (c) genital stimulation during in progress expression of FE on the rhythmic genital motor pattern of ejaculation (GMPE) was analysed in sexually experienced, spinal male rats. Results showed that the spinal intrinsic ejaculatory rhythm can be modulated by genital inputs, and that repeated stimulation modifies this rhythm, progressively inhibiting its expression. Finally, in progress GMPEs could be reset by overlapping genital stimulation, supporting the notion of the spinal cord mediating the inhibition of FE following repeated genital inflow. Results reveal the nature of the modulatory role that genital afferent information exerts on the expression of FE.
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页码：114 / 120
页数：6
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