Seminiferous Tubules

Question 2

Seminiferous tubules: These coiled structures within each lobule are lined with germ cells (spermatogonia) and Sertoli cells, which support ………. and …….

Answer 2

spermatogenesis and produce inhibin B.

Question 3

The tubules converge into a network called the ………, which connects to the epididymis via efferent ducts.

Answer 3

rete testis

Question 4

……. found in the interstitial spaces between the seminiferous tubules, these cells produce testosterone under stimulation by luteinizing hormone.

Answer 4

Leydig cells

Question 5

Bilateral testicular arteries originating from the aorta, just inferior to the ……, provide arterial supply to the testes.

Answer 5

renal arteries

Question 6

Bilateral testicular arteries enter the scrotum in the spermatic cord via the……… and split into two branches at the posterosuperior border of the testis.

Answer 6

inguinal canal

Question 7

Additionally, the testes receive blood from the ……..of the inferior epigastric artery and the artery to the ductus deferens.

Answer 7

cremasteric branch

Question 8

The pampiniform plexus drains both the …….. and …… before coalescing to form the testicular vein, usually above the spermatic cord formation at the deep inguinal ring.

Answer 8

testis and epididymis

Question 9

Lymphatic drainage via the ……. passes into the abdomen, ending in the lateral aortic and pre-aortic nodes.

Answer 9

testicular vessels

Question 10

The ……… and ……. supply the testes via the renal and aortic autonomic plexuses.

Answer 10

tenth and eleventh thoracic spinal nerves