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...
Necdet Ersöz - Tıp, biyoloji, sağlık ve insanî bilimler üzerine makaleler.