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Indian Journal of Clinical Anatomy and Physiology


The effect of septal lesion on sexual behavior, sperm count and testicular activity in Young male albino rats


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Author Details: Meena Agarwal, Jagdish Hundekari

Volume : 5

Issue : 1

Online ISSN : 2394-2126

Print ISSN : 2394-2118

Article First Page : 62

Article End Page : 68


Abstract

The aim of this study was to assess the effect of septal lesion on sexual behavior, sperm count and testicular morphology in male albino rats. 24 adult sexually experienced male Haffkine albino rats, aged between 90-120 days and weighing between 200 – 250 grams were selected for the study. They were divided into three groups Group I (n=8) as controls, Group II (n-8) were sham operated and Group III (n=8) were septal lesioned. The components of male sexual behavior are pursuit, mount, intromission and ejaculation. The latencies of different components of male sexual behavior were recorded by using separate stop watches for each of the parameters studied. Simultaneously frequencies of the different components of sexual behavior was also recorded in 10 minutes. The occurrence of each pursuit, mount, intromission and ejaculation was scored according to classical criteria. Testicular morphology and sperm count was estimated The results indicate that septal lesions are effective in suppressing the sexual behavior in rats as indicated by increase in pursuit, mount, intromission and ejaculation latencies (P<0.01) and shows significant decrease in intromission and ejaculation frequency (p<0.01) , decrease in sex drive (0.01) but no change in pursuit and mount frequency. There is statistically significant decrease in testicular weight in septally lesioned rats as compared to control and sham group. The sperm count is markedly reduced (p<0.01) in septally lesioned rat as compared to control and sham group. The present study shows that the bilateral lesion of the septal nuclei decreases the sexual behavior in male rats. The bilateral septal lesion also alters the testicular weight and morphology along with decrease in sperm count. This indicates that septal nuclei control the functions of reproductive organ in male rats. It would be worthwhile to estimate testosterone levels in male rats following septal lesions to elucidate the exact mechanism of action of septal lesion.

Keywords: Septal Nuclei Lesion, Male Rats, Sexual Behavior, Sperm Count, Testicular Morphology.

Doi :-https://doi.org/10.18231/2394-2126.2018.0015