Anatomy L.4

Question 1

The testis is suspended in the scrotum by what?

Answer 1

Spermatic cord

Question 2

What allows free movement of the testes?

Answer 2

Serous fluid between visceral and parietal layers of the tunica vaginalis

Question 3

The posterior aspect of the tunica albuginae is thickened as?

Answer 3

Mediastinum testes

Question 4

What part of the testes produce sperms?

Answer 4

Seminiferous tubules

Question 5

What divides the testes into lobules?

Answer 5

Septa arising from mediastinum testis

Question 6

What is located within each lobule of the testes?

Answer 6

2-3 tightly coiled seminiferous tubules

Question 7

What connects seminferous tubules to testes in mediastinum?

Answer 7

Straight tubules

Question 8

What connects rete testes to the head of the epididymis?

Answer 8

Efferent ductules

Question 9

What is the arterial blood supply to the testes?

Answer 9

Testicular artery

Question 10

Through what structure does the testicular artery or it’s branches enter the testes?

Answer 10

Spermatic cord

Question 11

What is the course through which the testicular artery enters the testes?

Answer 11

Posterior abdominal wall, deep inguinal ring, inguinal canal, superficial inguinal ring, spermatic cord

Question 12

What artery does the testicular artery or its branch anastomose with?

Answer 12

Artery of ductus deferens (branch of inferior vesical artery)

Question 13

Where does the right testicular vein drain into?

Answer 13

Inferior vena cava (right below the renal vein)

Question 14

Where does the left testicular vein drain into?

Answer 14

Left renal vein

Question 15

What occurs during varicocele?

Answer 15

Enlargement of pampiniform of plexus of veins

FYI:
Testicular vein and vein of epidydimis form pampiniform of venous plexus in spermatic cord (part of thermoregulatory system)

Question 16

What are the lymphatics of testes?

Answer 16

To right and left lumbar (caval/aortic) and preaortic lymph nodes (at the level of origin of testicular artery)

Question 17

Where do lymphatics from scrotum drain into?

Answer 17

Superficial inguinal nodes

Question 18

What is the nerve supply to the testes?

Answer 18

Testicular plexus of nerves (on testicular artery)
Parasympathetic= vagus nerve
Sympathetic= T10 to T11 segments of SC (vasomotor)

Question 19

Wha

Question 20

What forms the head of the testes?

Answer 20

Coiled ends of the efferent ductules(12-14) of the rete testes

-head is composed of lobules

Question 22

What reflexively draws the scrotum superiorly in response to cold?

Answer 22

Cremasteric muscle

Question 23

What is the cremasteric msucle innervated by?

Answer 23

Genital branch of the genitofemoral nerve (L1,2)

Question 24

What conveys sperm from epididymis to ejaculatory duct?

Answer 24

Ductus deferens

Question 25

Where does fluid accumulate in hydrocele of spermatocord?

Answer 25

In the cavity of the processes vaginalis of the spermatic cord

Question 26

What occurs in spermatocele?

Answer 26

Fluid and sperm accumulate in the cavity of the tunica vaginalis

Question 27

What is the primary component of the spermatic cord?

Answer 27

Ductus deferens (vas deferens)

Question 28

What do seminal glands (seminal vesicles) secrete?

Answer 28

Thick alkaline fluid with fructose and a coagulating agent

Question 29

Where do the seminal vesicle pus open into?

Answer 29

Peritoneal cavity

Question 30

Where does th eejaculatory duct open into?

Answer 30

Prostatic part of urethra on the seminal colliculus

Question 31

What does the fibrous capsule pf prostate gland incorporate?

Answer 31

Fibrous capsule is dense and neurovascular, incorporating prostatic plexus of veins and nerves

Question 32

What prostatic lobe is prone to age related benign prostatic hypertrophy?

Answer 32

Middle/ median lobe

Question 33

Where is the bulbourethral (cowper’s gland) embedded in?

Answer 33

External urethral sphincter

Question 34

Ducts of the bulbourethral cowper’s gland pass through the perineal membrane and open into what structure?

Answer 34

Proximal part of spongy urethra in bulb of penis

Question 35

What does cowper’s gland secrete during sexual arousal?

Answer 35

Mucus-like secretion

Question 36

What is the blood supply for the seminal glands (seminal vesicles)?

Answer 36

Inferior vesical and middle rectal

Question 37

What is prostatic artery a branch of?

Answer 37

Inferior vesical artery

Question 38

During orgasm, what is the sympathetic action?

Answer 38

1) stimulates contraction of internal urethral sphincter 2) stimulates peristaltic-like contraction of ductus deferens