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Male & Female Reproductive Viscera Ericka Maye 3 Year Medical StudentLearning Objectives Describe the structure of the viscera of the male reproductive system Describe the structure of the viscera of the female reproductive systemMALE PEL VIS 3 arteries Spermatic Cord 3 nerves 3 things Contents • Testicular artery • Cremasteric artery • Artery to vas deferens • Autonomic nerves • Cremasteric nerves • Genital br of genitofemoral • Ductus deferens • Pampiniform plexus • LymphaticsT estes scrotum before birth abdominal wall + descend into Structure • Tunica vaginalis – closed sac of peritoneum • Tunica albuginea – capsule • Seminiferous tubules → straight tubules → rete testes → efferent ductules → head of epididymis Blood supply • Testicular arteries (abdominal aorta)Ductus Deferens Transports spermatozoa from tail of epididymis to ejaculatory duct in Course • Ascends in spermatic cord • Passes through inguinal canal into abdominal wall • Bends medially to enter pelvis • Unites with duct of seminal vesicle = ejaculatory duct Enlarges to form the ampulla of ductus deferens before it terminates Blood supply from artery to ductus deferens from superior vesical artery, anastomoses with testicular arterySeminal Vesicles Lies between fundus of bladder + rectum SV + ductus deferens = ejaculatory duct • Ejaculatory duct opens into prostate Secrete a thick alkaline fluid rich in fructose that mixes with sperm Major constitute of semen (65-75%) Blood supply derives from inferior vesical + middle rectal arteriesProstate Accessory gland Secretes proteolytic enzymes • Proteolytic enzymes leave prostate via prostatic ducts – open into the prostatic part of the urethra through 10-12 openings at each side of the seminal colliculus into prostatic sinus (immediately before ejaculation) Zones • Anterior fibromuscular • Central • Transitional • Peripheral Blood supply from prostatic arteries (from internal iliac artery)FEMALE PEL VISOvaries Almond shaped Site of oogenesis Structure • Cortex • Medulla • Hilum Ligaments • Suspensory ligament *neurovascular bundle • Ligament of ovary • Broad ligament (mesovarium) Blood supply by ovarian arteriesFallopian Tubes Function • Transports ova to uterus • Site of fertilization (ampulla) Structure • Fimbriae • Infundibulum • Ampulla • Isthmus Blood supply via uterine + ovarian arteriesUterus Secondary sex organ Anteverted + anteflexed Structure • Fundus • Body • Cervix Ligaments • Broad ligament • Round ligament • Ovarian ligament • Cardinal ligament • Uterosacral ligament Blood supply by uterine arteryCervix Structure • Internal os • Cervical canal • External os Endocervix + ectocervix Blood supply via uterine arteriesVagina Structure • Fibromuscular tube • Anterior + posterior fornices Anatomical relations Bartholin glands (SPP) secrete fluid into vagina Blood supply via vaginal + uterine arteriesSBA 1 You are third year medical student on your urology placement in UHW. You see a 25 year old man in clinic today with a new testicular lump. The urology registrar asks you what are the layers of the testes from superficial to deep. What is your answer? A. Skin – cremasteric muscle – tunica vaginalis B. Skin – cremasteric muscle – external spermatic fascia – tunica albuginea C. Skin – tunica dartos – external spermatic fascia – cremasteric muscle – internal spermatic fascia – tunica vaginalis – tunica albuginea D. Skin – tunica dartos – cremasteric muscle - internal spermatic fascia – tunica vaginalis – tunica albuginea E. Skin – cremasteric muscle – tunica albugineaSBA 1 You are third year medical student on your urology placement in UHW. You see a 25 year old man in clinic today with a new testicular lump. The urology registrar asks you what are the layers of the testes from superficial to deep. What is your answer? A. Skin – cremasteric muscle – tunica vaginalis B. Skin – cremasteric muscle – external spermatic fascia – tunica albuginea C. Skin – tunica dartos – external spermatic fascia – cremasteric muscle – internal spermatic fascia – tunica vaginalis – tunica albuginea D. Skin – tunica dartos – cremasteric muscle - internal spermatic fascia – tunica vaginalis – tunica albuginea E. Skin – cremasteric muscle – tunica albugineaSBA 2 You are a second-year medical student on your SSC in an IVF clinic. The IVF doctor is speaking about the path the ovulated egg takes after ovulation. She asks you where specifically the egg travels in the fallopian tube after the ampulla? A. Fimbraie B. Infundibulum C. Ovary D. Fundus of the uterus E. IsthmusSBA 2 You are a second-year medical student on your SSC in an IVF clinic. The IVF doctor is speaking about the path the ovulated egg takes after ovulation. She asks you where specifically the egg travels in the fallopian tube after the ampulla? A. Fimbraie B. Infundibulum C. Ovary D. Fundus of the uterus E. IsthmusThank you for listening!