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Medical Definition of Tunica vaginalis testis
1. The serous sheath of the testis and epididymis, derived from the peritoneum; it consists of outer parietal and inner visceral serous layers. (05 Mar 2000)
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1. The serous sheath of the testis and epididymis, derived from the peritoneum; it consists of outer parietal and inner visceral serous layers. (05 Mar 2000)