Male Reproductive System

Question 1

Tunica vaginalis

Answer 1

Fluid filled sac outside testis that allow free movement

Question 2

Seminiferous tubules

Answer 2

Where sperm is produced

Question 3

Spermatogonia

Answer 3

Rest on basal lamina, type B forms primary spermatocytes

Question 4

Primary spermatocytes

Answer 4

In meiosis one, first step where they are foreign to the body

Question 5

Early spermatids

Answer 5

Close to the lumen, small and round, do not divide any. Further

Question 6

Spermiogenesis

Answer 6

Sperm differentiation and maturation, development of the acrosome and tail, excess cytoplasm left behind

Question 7

Serotoli cells

Answer 7

Provide support for spermatogenesis, respond to FSH, forms the blood testes barrier

Question 8

Androgen binding protein

Answer 8

Secreted by the serotonin cells, sequesters testosterone to maintain high levels needed for spermatogenesis

Question 9

Inhibin

Answer 9

Secreted by sertoli cells to inhibit FSH release

Question 10

Leydig cells

Answer 10

Steroid secreting cells that respond to LH, produce testosterone

Question 11

5-a-reductase

Answer 11

Create dehydrotestosterone, necessary for the development of normal external male genitalia

Question 12

Cryptorchidism

Answer 12

One or both testes fail to descend into scrotum

Question 13

Spermatogenesis

Answer 13

Generation of primary spermatocytes (mitotic ally)

Question 14

Spermiation

Answer 14

Release of spermatoa from sertoli cells

Question 15

Intratesticular ducts (3)

Answer 15

Seminiferous tubule terminus, straight tubules, rete testis

Question 16

Extratesticular ducts (3)

Answer 16

Efferent ductules, duct of epididymis, ductus deferens

Question 17

Seminiferous tubule terminal

Answer 17

Much narrower that seminiferous tubules, only Sertoli cells, will join rete testis

Question 18

Rete testis

Answer 18

Many microvilli, reabsorb fluid to concentrate sperm

Question 19

Efferent ductules

Answer 19

Tall, ciliated cells with a star shaped lumen surrounded by smooth muscle

Question 20

Epididymis

Answer 20

Long, coiled tube with cilia, separated to head body and tail, tail stores sperm prior to ejaculation

Question 21

Vas deferens

Answer 21

Single lumen with three smooth muscle layered (LCL), contract during ejaculation

Question 22

Seminal vesicles

Answer 22

Coiled tube that secures fructose, flavins, prostaglandins, seminogelins I and II, contributes about 60% of semen volume

Question 23

Seminogelins

Answer 23

Protein that coagulate semen

Question 24

Prostate

Answer 24

Secretes alkaline fluid, has corporea amylacea

Question 25

Corpora amylacea

Answer 25

Calcific precipitation’s diagnostic of prostate

Question 26

Prostate secretions (4)

Answer 26

• Prostate specific ag
• Fibrinolysin
• Citric acid
• Zinc

Question 27

P63

Answer 27

Protein normally expressed in the prostate, absent in prostate cancer

Question 28

Prostatic zones (4)

Answer 28

Central- resistant to carcinoma
Peripheral- Most carcinomas, palpable on rectal exam
Transitional- location of BPH
Periurethral- location of BPH

Question 29

Bulbourethral glands (Cowper)

Answer 29

Secrete alkaline mucous for neutralization of urine

Question 30

Urethral glands

Answer 30

Line urethra and produce a mucus to protect from acidic urine

Question 31

Intimal cushion

Answer 31

Smooth muscle that forms a valve, relaxes when nitric oxide is released during sexual stimulation