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