The Male Reproductive System

Question 1

Parts of the Sperm (3)

Answer 1

• head = genetic material
• midpiece = mitochondria for energy
• tail = to propel forward

Question 2

1. Corpus spongiosum

2. Corpora cavernosa

Answer 2

1. ventral column of the penis

2. two dorsal columns of the penis

Question 3

Spermagenosis

Answer 3

• formation and development of sperm

Question 4

Acrosome

Answer 4

• contains enzymes that facilitate the penetration of an ovum’s membrane

Question 5

Epididymis

Answer 5

• single, coiled tube about 6m in length; it’s where sperm mature and develop motility

Question 6

Epididymitis

Answer 6

• inflammation of epididymis

Question 7

Ductus (vas) Deferens

Answer 7

• sperm pass through the pelvic cavity via this duct

Question 8

Ejaculatory duct

Answer 8

• passes through the prostate gland

Question 9

Urethra

Answer 9

• Sperm leave the body via this duct

Question 10

Scrotum

Answer 10

• holds the testes away from the body to reduce their temperature

Question 11

Glans

Answer 11

• proper name for the “head” of the penis

Question 12

Foreskin

Answer 12

• structure covers the glans on an unaltered penis

Question 13

Circumcision

Answer 13

• surgical removal of the foreskin

Question 14

Semen

Answer 14

• mixture of sperm and secretions of accessory glands

Question 15

Seminal Vesicles

Answer 15

• structures provide the fructose-rich portion of semen

Question 16

Prostate Gland

Answer 16

• urethra passes through this structure, which provides about 30% of seminal volume

Question 17

Bulbourethral (Cowper’s) glands

Answer 17

• structures secrete a fluid that is sometimes referred to as “pre-ejaculate

Question 18

Order of Organs (5)

Answer 18

• Testes
• Epididymis
• Ductus (vas) deferens
• Ejaculatory duct
• Urethra

Question 19

Testosterone

Answer 19

• “masculinizes”
• promotes development of male accessory organs
• stimulates protein anabolism and the development of muscle strength

Question 20

Hydrocele

Answer 20

• accumulation of watery fluid in the scrotum

Question 21

Epispadias

Answer 21

• urethra opens on the top of the glans or shaft of the penis.

Question 22

Prostate cancer

Answer 22

• leading cause of cancer deaths in men

Question 23

Phimosis

Answer 23

• tight foreskin that cannot be retracted over the glans

Question 24

Hypospadias

Answer 24

• urethra opens on the underside of the glans or shaft of the penis

Question 25

Impotence/Erectile dysfunction

Answer 25

• failure to achieve erection of the penis

Question 26

Benign Prostatic Hypertrophy

Answer 26

• enlargement of the prostate common in older men

Question 27

Paraphimosis

Answer 27

• foreskin cannot be replaced to usual position when retracted

Question 28

Inguinal hernia

Answer 28

• protrusion of abdominopelvic organs, possibly into the scrotum

Question 29

Infertility

Answer 29

• reduced reproductive ability

Question 30

Testicular cancer

Answer 30

• cancer most common in men aged 25-35

Question 31

Cryptorchidism

Answer 31

• Undescended testes

Question 32

Sterility

Answer 32

• Inability to reproduce

Question 33

Oligospermia

Answer 33

• Inability to reproduce