Urino-genital - male

Question 1

What is the inguinal canal?

Answer 1

Potential space between the layers of the abdominal wall muscles that communicates with an external pouch

Question 2

Why do testes descend/migrate from the inguinal canal?

Answer 2

Sperm is hindered at body temp so they migrate to the scrotum where it is cooler

Question 3

How many layers of the testes are there?

Answer 3

7

Question 4

What conveys sperm from the tail of the epididymis to the urethra?

Answer 4

Ductus deferens

Question 5

What is the name of the artery supplying the testes?

Answer 5

Testicular artery

Question 6

What is the function of the pampiniform plexus?

Answer 6

Allows cooling of arterial blood to testis via heat exchange with venous blood from testis

Question 7

Which layers are incised in an open castration?

Answer 7

• Skin
• Spermatic fascia
• Vaginal tunic

Question 8

Which layers are incised in a closed castration?

Answer 8

• Inguinal skin

- External spermatic fascia only

Question 9

Where is the root of the penis attached?

Answer 9

Ischium

Question 10

What are the 2 erectile tissues of the penis?

Answer 10

• Corpus spongiosium penis

- Corpus cavernosum penis

Question 11

What are the 2 types of corpus cavernosum penis?

Answer 11

Musculocavernous – smooth muscle with large cavernous spaces
Fibro-elastic – fibrous & elastic tissue arranged in a sigmoid flexure with small cavernous spaces

Question 12

What are the 3 muscles in the penis?

Answer 12

• Retractor penis muscle
• Ischiocavernosus muscle
• Bulbospongiosus muslce