Anatomy of the Man: Vessels and Difficult Concepts

Question 1

What is the venous drainage of the right testis?

Answer 1

Pampiniform plexus and then to the IVC.

Question 2

What is the lymphatic drainage of the right testis?

Answer 2

Para-aortic nodes.

Question 3

What is the venous drainage of the left testis?

Answer 3

Pampiniform plexus to the left renal vein and then eventually the IVC.

Question 4

What is the lymphatic drainage of the left testis?

Answer 4

Para-aortic nodes.

Question 5

What is the venous drainage of the scrotum?

Answer 5

Scrotal Veins.

Question 6

What is the lymphatic drainage of the scrotum?

Answer 6

Superficial Inguinal Nodes.

Question 7

What is the venous drainage of the prostate gland?

Answer 7

Prostatic venous plexus, internal iliac vein which also connects to the internal vertebral venous plexus.

Question 8

What is the lymphatic drainage of the prostate gland?

Answer 8

Internal iliac/sacral lymph nodes.

Question 9

What are the contents of the spermatic cord?

Answer 9

Nerve to Cremaster (genital branch of genitofemoral nerve).
Artery and vein to Vas Deferens. 
Pampiniform plexus of testicular veins.
Sympathetic Nerve.
Cremasteric Artery and Vein.
Ilioinguinal Nerve.
Testicular Artery and Vein.
Lymph Vessels.
Vas Deferens.
Process Vaginalis.

Question 10

What is the artery supply to the penis?

Answer 10

Dorsal arteries of the penis, Deep arteries of the penis and the bulbourethral artery.

Question 11

What is the innervation of the penis?

Answer 11

S2-S4 spinal cord segments and spinal ganglia. Pudendal nerve sympathetically. Parasympathetically Peri-prostatic nerve plexus.

Question 12

What is the artery supply to the bulbourethral glands?

Answer 12

Derived from the arteries to the bulb of the penis.

Question 13

What is the lymphatics of the bulbourethral glands?

Answer 13

Internal and external iliac lymph nodes.

Question 14

What is the artery supply of the scrotum?

Answer 14

Anterior and posterior scrotal arteries.

Question 15

What is the venous supply of the scrotum?

Answer 15

Scrotal veins draining into the external pudenal veins.

Question 16

Describe the seminal vesicles.

Answer 16

Secrete fructose, alkaline fluid and coagulating agent to supply nutrients to the sperm, neutralise the acidic vagina and temporarily coagulate semen after ejaculation. 65% of semen.

Question 17

Describe the prostate gland.

Answer 17

Secrete proteolytic enzymes that break down clotting factors. Contain around 25% of the volume of semen.

Question 18

Describe the bulbourethral glands.

Answer 18

Mucus-like secretion is released that reduces friction and has a minimal volume of total semeen.