Inguinal Canal

Question 1

At what level do the gonads form?

Answer 1

T10

Question 2

What is the process of “evagination of periotneal cavity” called?

Answer 2

Processus vaginalis

Question 3

What is cryptorchid testis?

Answer 3

Undescended testicle

Question 4

L1 + L2 Nerve

Answer 4

Genitofemoral N. –> sensory to medial thigh, innervates cremasteric M.

Question 5

What passes throught the superficial ring?

Answer 5

spermatic cord (males)

round L. (females)

Question 6

What passes through the Deep Ring?

Answer 6

Vas deferns + gonadal vessels

Question 7

Where does lymph from the scrotum drain?

(S & S)

Answer 7

From superficial inguinal L.N.’s –> Lumbar L.N.’s

Question 8

Where does lymph from the testicles drain?

Answer 8

Upper pelvic L.N.’s –> pre-aortic L.N.’s

Question 9

What are the boundaries of the inguinal canal?

Answer 9

Question 10

What are the boundaries of the inguinal triangle?

Answer 10

Medial: Rectus abdominis M.

Inferior Epigastric Vessels (above)

Inguinal L. (below)

Question 11

What nerve runs through the inguinal canal?

Answer 11

Ilioinguinal N.

Question 12

What is a variocele?

Answer 12

When veins (pampiniform plexus) become enlarged inside your scrotum.

Question 13

What are the 3 things inside the spermatic cord?

Answer 13

1. Vas deferns (sperm duct)
2. Testicular A./V.’s (pampiniform plexus)
3. Gonadal N.’s + lymph

Question 14

What happens when the connection between the tunica vaginalis + abdomen remian open?

Answer 14

Persistent processus vaginalis

Hydrocele (peritoneal fluid accumulates inside tunica vaginalis)

Tunica vaginalis = patch of serous membrane that covers testes

Question 15

Where does an indirect hernia occur?

Answer 15

Deep Ring

Question 16

Where does a direct hernia occur?

Answer 16

W/in the Inguinal triangle (Hesselbach’s triangle)

Caused by weaking abdominal muscles, cause the periotneal sac enters the inguinal canal through the posterior wall (transversalis fascia)

Question 17

What forms the superficial ring?

Answer 17

External Oblique M.

Question 18

What forms the deep ring?

Answer 18

Transversalis fascia

Question 19

Describe hernia sites

Answer 19

Question 20

What does the Internal oblique muscle become?

Answer 20

Cremasteric M

Question 21

What does the External oblique muscle become?

Answer 21

Scarpas Fascia

Question 22

What does the transversalis fascia become?

Answer 22

Internal spermatic fascia