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37 Cards in this Set
- Front
- Back
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Function of scrotum |
Provides cooler temperature needed for sperm production |
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Spermatic cord |
Connective tissue tube that runs through the inguinal ligament |
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Contents of spermatic cord |
Vas deferens Cremaster muscle Testicular vessels (testicular artery and pampiniform plexus |
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Function of testes |
Produce sperm and androgens (testosterone) |
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Where is sperm developed? |
Seminiferous tubules |
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Which cells are found in seminiferous tubules? |
Sustentacular (Sertoli) cells Interstitial cells |
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Which hormone stimulates sustentacular (sertoli) cells? What does is do? |
FSH - helps with sperm development |
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Which hormone induces interstitial cells? |
LH - produces testosterone |
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Sustentacular (sertoli) cells |
Line seminiferous tubules Assist with sperm development |
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Interstitial cells |
Between seminiferous tubules Produce androgens |
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What is a fancy word for sperm production? When does it begin? |
Spermatogenesis Begins in puberty |
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Where do sperm mature or become motile? |
In the epididymis |
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Which hormones control spermatogenesis? |
FSH and testosterone |
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How many sperm are produced each day? |
100-200 million sperm |
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What does the head of a sperm contain? |
DNA |
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What does the acrosome of a sperm contain? |
Digestive enzymes |
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What does the midpiece of a sperm contain? |
Mitochondria |
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What is another word for the tail of a sperm? |
Flagellum |
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Which part of a sperm gives energy to spin the tail like a propeller? |
Midpiece |
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Where are sperm stored? |
In the tail of the epidiymis |
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Which 3 layers are found in the vas deferens wall? |
Mucosa Muscularis Adventitia |
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What 3 things is seminal fluid produced by? (Accessory glands) |
Seminal vesicles Prostate gland Bulbourethral glands |
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Seminal vesicles produce |
Fructose (nourishes sperm) Prostaglandins (widens cervix) - opens door Bicarbonate (neutralizes vaginal acid) |
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Prostate gland produces |
Citric acid (nutrient for sperm) Seminalplasmin (antibiotic that combats UTI in males) - lubricates urethra Prostate specific antigen (liquefies semen after ejaculation) |
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Bulbourethral glands |
Mucus (coats urethra, lubricant for sexual intercourse) |
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Where is lymphatic drainage of the testes? |
Posterior abdominal wall |
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What is semen? |
Seminal fluid from the accessory glands combines with sperm from the epididymis to make up semen |
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What is semen called when it is released during intercourse? |
Ejaculate |
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Average ejaculation contains |
around 1 teaspoon of fluid and 200-500 million sperm |
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Two prostate disorders |
Benign prostatic hyperplasia Prostate cancer |
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Benign prostatic hyperplasia |
Non-cancerous enlargement of prostate Very common: >90% of men over 80 suffer from it |
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Symptoms of benign prostatic hyperplasia |
Nocturia: urination at night Polyuria: more-frequent urination Dysuria: painful urination |
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Prostate cancer |
Risk increases with age
Detected by digital rectal exam or PSA test |
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Erection |
Blood fills the erectile tissues (deep arteries dilate and blood is trapped in erectile tissues by compression of veins) |
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Erection and ejaculation are stimulated by which autonomic nervous system? |
Erection - parasympathetic NS Ejaculation - sympathetic NS (point and shoot) |
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Fancy word for birth control |
Contraception
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Methods of contraception |
Abstinence Rhythm method Barrier methods (condoms, diaphragm, and spermicidal foams and gels) - prevent sperm from entering uterus Surgical methods (vasectomy - vas deferens are cut and tied, and tubal ligation - uterine tubes are cut and tied) Chemical methods (pills) IUD (intrauterine device) |
