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Male Reproductive
Male Reproductive A&P/Med Surg
| Question | Answer |
|---|---|
| Male Reproductive System: Functions | 1) Spermatogenesis - formation of sperm 2) Regulation of male reproductive functions by the various hormones 3) Performance of the male sexual act |
| The Organs | Scrotum, Testes, Ducts, Accessory Glands, Penis |
| Scrotum function: | Temperature regulation and protection of the testes |
| Testes function: | Sperm production & the secretion of male sex hormones |
| Ducts Function: | Store & transport sperms |
| Accessory Glands Function: | Secretion of the fluid part of the semen |
| Spermatogenesis | The formation of sperm - Sequence of events by which spermatogonia are transformed into mature sperm or spermatozoa |
| Penis Function: | Male organ of copulation |
| Seminiferous Tubules | The testes are composed of these and sperm is formed here as well |
| Epididymis | Sperm empties here from the Seminiferous Tubules |
| Vas Deferens | Sperm empties here from the Epididymis |
| Ejaculatory Duct | Two seminal vesicles, one on each side of the prostrate empty in to the prostatic end of the ampulla and empty here |
| Urethra | The last connecting link from the testes to the exterior |
| Glands the supply mucus to the Urethra | Urethral Glands, Bilateral Bulbourethral Glands (Cowper's Glands) located near the origin of the urethra |
| Spermiogensis | Vital step of spermatogenesis - process by which the spermatids alter their shape and differentiate into sperm cells |
| Spermatogenesis & Spermiogensis | Takes about 2 months (64-74 days) Produces about 400 million sperms daily Sperm is mostly stored in the vas deferens, and remain fertile for a month |
| Test used to detect prostate cancer | PSA |
| Often occurs with BPH and can lead to a UTI | Urinary Retention |
| The best time to perform self-testicular examination is after | A shower |
| An _______________testicle increases a man's risk of ______________ cancer | Undescended, Testicular |
| Inflammation /infection of the prostate gland | Prostatitis |
| Prostatitis is usually caused by | UTI |
| Risks for developing prostate cancer | >50 years old, African American, Excessive alcohol use, High fat diet, family history, Environmental, PSA elevation |
| Early prostate symptoms are | Usually non existent |
| Prostate removal may result in | Impotence |
| Sometimes called winter syndrome due to their frequency during cold weather | Torsion of spermatic cord |
| Orchitis | Inflammation of the testes |
| Diseases causing Orchitis may lead to | Sterility |
| Prolonged erection | Priapism |
| Priapism may occur from | Neurological damage or medications for ED |
| Hypospadias | Congenital abnormality in which the urethral opening is on the underside of the penis |
| Prepuce | foreskin |
| Phimosis | Prepuce - foreskin will not retract |
| Risks for testicular cancer | late marriage, late sex, white upper class, undescended testicle |
| Calculi | Stone, blockage |
| TURP | instrument is inserted into the urethra to remove a calculi |
| BPH | Enlargement of the prostate |
| Surgical separation of the vas deferens | Vasectomy |
| Seminiferous Tubules | Produces sperm |
| The Epididymis uncoiled may be: | as long as 6 meters |
| Epididymis stores | Spermatozoa |
| Tip of the penis | glans penis - made of corpus spongiosum |
| Interstitial cells of the testes produce this male hormone | Testosterone |
| Bulbourethral glands - Cowper's glands | Lubricate the urethrea and tip of the penis |
| Parts of the pame reproductive system the contribute to semen are: | Prostate, vas defrons, seminal vesicles |
| Seminol Velicles | Contributes most of the fluid to the semen |
| Testosterone | initiates sperm production |
| Gonads | Testes |