Male Repro

Question 1

• site of sperm cell production
• supported by scrotum

Answer 1

testes

Question 2

• both support the testes
• regulate and maintain the temperature of testes (2-3*C lower core body temperature)
• when cold, both contract
• when hot, both relax

Answer 2

cremaster and dartos

Question 3

COLD: CONTRACTS

• __________ - pull up the testicle closer to the pelvic cavity
• __________ - wrinkled appearance of the scrotum to conserve heat

Answer 3

• CREMASTER
• DARTOS

Question 4

• hollow part of the seminiferous tubules
• where the sperm will pass from seminiferous tubules, vas deferens, etc.

Answer 4

LUMEN

Question 5

seminiferous tubule cells

Answer 5

1. spermatogenic cells
2. sertoli cells

Question 6

• grow to become the sperm cell

Answer 6

SPERMATOGENIC CELLS

Question 7

• provide nourishment for the growing spermatogenic cells

Answer 7

SERTOLI CELLS

Question 8

• in between/around/interstitial each seminiferous tubule
• provide/produce male sex hormones: testosterone

Answer 8

LEYDIG CELLS

Question 9

• male gonad: ______
• female gonad: ______

Answer 9

• testes
• ovaries

Question 10

• masculinizes the reproductive tract and external genitalia
• promotes descent of the testes into the scrotum

Answer 10

effects before birth

Question 11

• promotes growth and maturation of the reproductive system at puberty
• essential for spermatogenesis
• maintains the reproductive tract throughout adulthood

Answer 11

effects on sex-specific tissues after birth

Question 12

• develops the sex drive at puberty
• controls gonadotropin hormone secretion

Answer 12

other reproduction-related effects

Question 13

• induces the male pattern of hair growth
• causes the voice to deepen because vocal folds thicken
• promotes muscle growth responsible for the male body configuration

Answer 13

effects on secondary sexual characteristics

Question 14

• exerts a protein anabolic effect
• promotes bone growth at puberty
• closes the epiphyseal plates after being converted to estrogen by aromatase
• may induce aggressive behavior

Answer 14

nonreproductive actions

Question 15

• site of sperm maturation and storage

Answer 15

epididymis

Question 16

• storage; conveys sperm from epididymis to urethra

Answer 16

• aka ductus deferens

vas deferens

Question 17

• shared terminal duct of urinary and reproductive system

Answer 17

urethra

Question 18

• secretes seminal fluid

contents:
1. _____
2. _____
3. _____

Answer 18

• alkaline fluid

1. fructose
2. prostaglandins
3. clotting proteins

seminal vesicle

Question 19

• secretes prostatic fluid

contents:
1. _____
2. _____
3. _____
4. _____

Answer 19

• acidic fluid

1. citric acid (provides ATP for sperm)
2. enzymes
3. acid phosphatase
4. seminalplasmin (antibiotic)

PROSTATE GLAND

Question 20

• aka __________
• secretes alkaline fluid that neutralize acids in the urethra

Answer 20

• cowper’s gland

bulbourethral gland

Question 21

PENIS

1. Erection: ___________
2. Ejaculation: __________

Answer 21

1. parasympathetic stimulation
2. sympathetic stimulation

Question 22

• dilation of the blood vessels surrounding the penis
• increase in blood flow

Answer 22

erection

Question 23

• tubules in the testes, epididymis, ducts of the vas deferens, and urethra will do peristaltic movements in order to propel the sperm cells from the testes up to the urethra

Answer 23

ejaculation

Question 24

DISORDERS OF THE MALE REPRODUCTIVE SYSTEM

Answer 24

1. cryptorchidism
2. priapism
3. erectile dysfunction
4. prostatitis
5. prostate cancer
6. testicular cancer

Question 25

- unilateral or bilateral - Condition where the testes do not descend into the scrotum - No known cause (genetic) - Not seeing or feeling testis in scrotum, testis forms a lump in lower abdomen - TXT: Surgery (before 18 months of age)

Answer 25

CRYPTORCHIDISM

Question 26

- caused by alpha blockers (-zocin) - Persistent, unusual painful erection of penis without sexual stimulation - Abnormalities in blood vessel and nerves, medications, spinal disorders, leukemia, sickle cell disease, pelvic tumors - Pain and tenderness in penis that may last up to several hours - TXT: Decompression, medication (_____________), surgery

Answer 26

- vasoconstrictors PRIAPISM

Question 27

- Consistent inability to ejaculate/hold an erection long enough for intercourse - Insufficient release of NO (vasodilator responsible for erection), diabetes, syphilis, testosterone deficiency, drugs (antihypertensive drugs -olol), psychological factors - Inability to ejaculate/hold an erection; Reduced sexual desire - TXT: _________ (vasodilator)

Answer 27

- Sildenafil (Viagra) ERECTILE DYSFUNCTION

Question 28

- acute or chronic - Inflammation of prostate gland - Bacterial infection - Swollen and tender prostate, fever, frequent, difficult and painful urination, blood in urine, lower back pain - TXT: ________, ________ treatment

Answer 28

- Antibiotics, symptomatic treatment PROSTATITIS

Question 29

- common in older males (50+) - disorder similar to prostate cancer: ____________ = not cancerous; can be treated through hormonal therapy - Malignancy in the prostate, common in older males - Abnormal changes in prostate cells - Enlargement of prostate, erectile dysfunction, abnormal weight loss, painful urination, blood in urine/semen - TXT: Surgery, radiation, chemotherapy, hormonal therapy

Answer 29

- BENIGN PROSTATIC HYPERPLESIA OR HYPERTROPHY (BPH) PROSTATE CANCER - digital rectal exam

Question 30

- cancer of the testes - Malignancy in the testis, common in younger males - Abnormal changes in spermatogenic cells - Mass in the testis, testicular heaviness, dull ache in lower abdomen - TXT: Surgery, radiation, chemotherapy, hormonal therapy

Answer 30

TESTICULAR CANCER