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HUMAN ANATOMY MALE INTERNAL-EXTERNAL GENITAL ORGANS (Lecture Notes) Necdet Ersöz Gazi University Medical School Primary Sex Organs Testes (testicles): ü   Produce the gametes or spermatozoa ü   Also produce androgen/sex hormones involved in secondary sex organ development (physique, body hair, voice, pitch etc.) Secondary Sex Organs ü   Sperm transport ducts: epididymis, ductus deferens, ejaculatory ducts & urethra ü   Accessory glands: seminal vesicles, prostate gland & bulbourethral glands ü   Copulatory organ: penis ü   Scrotum ü   Ejaculatory duct: connection between ductus ductus deferens & seminal vesicle ü   Seminal vesicles secrete fructose-rich fluid to aid in spermatozoa viability (60% ejaculatory volume, heavily  innervated by the sympathetic nervous system) ü   Prostate gland: glandular tissue encased by smooth muscle (secretes alkaline buffer to neutralize vaginal acids, 40% ejaculation volume, heavily innervated by t

HUMAN ANATOMY FEMALE INTERNAL-EXTERNAL GENITAL ORGANS (Lecture Notes) Necdet Ersöz Gazi University Medical School Female External Genital Organs: Vulva, Mons Pubis, Labia Majora, Labia Minora, Clitoris, Perineum Female Internal Genital Organs: Vagina, Cervix, Uterus, Fallopian Tubes, Ovaries Uterus This is a muscular organ whose function is to provide a nidus for the developing embryo. In the virginal state, it is shaped of a flattened pear. Its size is about 8 x 5 x 3 cm. It possesses a fundus, body, and cervix. It receives the uterine tubes, and the cervix protrudes and opens into the vault of the vagina. The fundus is the part above the entrance of the tubes. It is convex and measures about 5 cm from side to side and about 3 cm thick. It possesses             a serous coat of pelvic peritoneum which continues downwards over the front and back of the body. The body of the uterus tapers downwards from the fundus and is flattened anteroposteriorly. Each upper a