Department of Obstetrics and Gynecology;
Fukui University School of Medicine;
Fukui;
Japan;
Department of Urology;
Kobe University Graduate School of Medicine;
Kobe;
Japan;
Division of Gynecology and Obsterics;
Ishikawa Prefectural Central Hospital;
Kanazawa;
Japan;
Division of Internal Medicine;
Iwamizawa Kojin-kai Hospital;
Iwamizawa;
Japan;
Vagina; Levator; Ani; Muscle; Perineal; Membrane; Smooth; Muscles; Elastic; Fibers; Nerves; Pelvic; Floor; Anatomy;