ROLE OF THE VOMERONASAL ORGAN IN THE MALE-INDUCED ENHANCEMENT OF SEXUAL RECEPTIVITY IN FEMALE RATS

被引:53
作者
RAJENDREN, G [1 ]
DUDLEY, CA [1 ]
MOSS, RL [1 ]
机构
[1] UNIV TEXAS,SW MED CTR,DEPT PHYSIOL,5323 HARRY HINES BLVD,DALLAS,TX 75235
关键词
Lordosis; Luteinizing hormone; Sexual receptivity; Vomeronasal organ;
D O I
10.1159/000125619
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
The role of the vomeronasal organ (VNO) in the male-induced enhancement of sexual receptivity in ovariectomized estrogen-primed rats was investigated. Removal of the VNO significantly reduced the enhancement of sexual receptivity following mating, as compared with the sham-operated controls. The sham-operated females exhibited a surge of luteinizing hormone (LH) following mating; however, LH release induced by pairing with males was less manifested in the VNO-removed females. This suggests that in female rats, VNO removal impairs the male-induced release of LH-releasing hormone (LHRH). Since LHRH enhances sexual receptivity in ovariectomized estrogen-primed rats, the present results suggest that the increase in sexual receptivity in female rats following mating probably results from a VNO-mediated LHRH release. © 1990 S. Karger AG, Basel.
引用
收藏
页码:368 / 372
页数:5
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