14. Arteries and Veins of Male Pelvis

Question 1

Identify 1 - 3

Answer 1

1. Right obturator vessels
2. Superior vesical artery
3. Umbilical artery (fibrous part)

Question 2

Identify 4

Answer 2

4. Superficial dorsal vein of penis

Question 3

Identify 5

Answer 3

5. Pampiniform (venous) plexus

Question 4

Identify 6

Answer 4

6. Posterior scrotal artery

Question 5

Identify 7

Answer 5

7. Levator ani muscle (cut edge)

Question 6

Identify 8

Answer 6

8. Inferior rectal artery (branch of internal pudendal artery)

Question 7

Identify 9

Answer 7

9. Internal pudendal artery

Question 8

Identify 10 - 11

Answer 8

10. Inferior gluteal artery
11. Superior gluteal artery

Question 9

Within the spermatic cord, the pampiniform venous plexus surrounds (1)____ (an artery?) and drains blood from (2)____ into (3)____.

Answer 9

1. the testicular artery
2. the testes
3. the testicular vein

Question 10

Identify 12

Answer 10

12. Internal iliac vessels

Question 11

Which structures does the internal iliac artery supply in the male pelvis?

Answer 11

The internal iliac artery supplies the pelvic structures, perineum, and external genitalia.

Question 12

Within the spermatic cord, ____ surrounds the testicular artery and drains blood from the testes into the testicular vein.

Answer 12

the pampiniform venous plexus

Question 13

The pampiniform venous plexus acts as a ____ that cools the arterial blood flowing in the testicular artery.

Answer 13

countercurrent cooling mechanism

Question 14

The pampiniform venous plexus acts as a countercurrent cooling mechanism that cools the ___

Answer 14

arterial blood flowing in the testicular artery

Question 15

Spermatogenesis occurs only if the temperature is (1)____ (lower/higher) than body temperature

→ the testes reside in the (2)___ and possess this countercurrent cooling mechanism to maintain the appropriate ambient temperature.

Answer 15

1. lower
2. scrotum