1998
DOI: 10.1262/jrd.44.393
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Inhibitory Pathway for Female Sexual Behavior in Male Rat Brain: Effect of Medial Forebrain Bundle (MFB) Cuts.

Abstract: Abstract. In order to clarify the role of the medial forebrain bundle (MFB) in regulating female sexual behavior in male rats, lordosis and soliciting behavior were observed after transection of it. Male rats were castrated and received cutting of the bilateral MFB at the suprachiasmatic level or sham operation. As control groups, male and female rats were castrated without brain surgery. Behavioral test was carried out after implantation of Silastic tubes containing estradiol. As a result, all males with MFB … Show more

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Cited by 3 publications
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“…Neural fibers projecting from the LS join the medial forebrain bundle (MFB) (Veening et al, 1982 ). Transection of the MFB at the suprachiasmatic level enhances lordosis in female rats (Yamanouchi and Arai, 1989 ) and induces lordosis in male rats (Yamashita Suzuki and Yamanouchi, 1998 ). Therefore, it is considered that lordosis-inhibiting neurons of the LS terminate at the brain stem after the neural fibers pass through the MFB.…”
Section: Lordosis-inhibiting System In the Lsmentioning
confidence: 99%
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“…Neural fibers projecting from the LS join the medial forebrain bundle (MFB) (Veening et al, 1982 ). Transection of the MFB at the suprachiasmatic level enhances lordosis in female rats (Yamanouchi and Arai, 1989 ) and induces lordosis in male rats (Yamashita Suzuki and Yamanouchi, 1998 ). Therefore, it is considered that lordosis-inhibiting neurons of the LS terminate at the brain stem after the neural fibers pass through the MFB.…”
Section: Lordosis-inhibiting System In the Lsmentioning
confidence: 99%
“…To determine the lordosis-inhibiting neural tracts from the LS to MCG, we traced the neural projections from the LSi to the MCG in E 2 -treated castrated male rats using Phaseolus vulgaris leucoagglutinin (PHAL), an anterograde neurotracer (Tsukahara and Yamanouchi, 2001 ) (Figure 3A ). Neural tracts from the LS to MFB (Figures 3A-1,2 ) are essential for lordosis-inhibiting LSi neurons to function, because the lordosis reflex is induced in male rats by transection of the ventral area of the septal region (Yamanouchi and Arai, 1985 ) and by transection of the MFB (Yamashita Suzuki and Yamanouchi, 1998 ). Similar surgical manipulations enhance lordotic activity in female rats (Yamanouchi and Arai, 1977 , 1989 , 1990 ).…”
Section: Lordosis-inhibiting System In the Lsmentioning
confidence: 99%