Male pelvic contents and the anal triangle

Question 1

Vas deferens

Answer 1

Muscular tube carries sperm towards prostate

Question 2

Direction of Vas deferens

Answer 2

comes in side of pelvis where deep inguinal ring is, across vessels down posterior to bladder and then underneath bladder`

Question 3

Which two ducts join to form the ejaculatory duct?

Answer 3

Vas deferens and the seminal vesicle

Question 4

What meets with the ejaculatory duct in the prostate ?

Answer 4

The urethra

Question 5

Direction of ureter

Answer 5

bifircation of arteries down to base of bladder

Question 6

What do the seminal vesicles secrete?

Answer 6

secrete liquid component of semen which thins sperm

Also contains fructose which is energy supply for sperm

Question 7

Are the seminal vesicles reteroperitoneal?

Answer 7

Yes, they are locate behind the bladder

Question 8

Bladder arterial

Answer 8

Superior vesicle vessels from internal iliac to supply top half of bladder

Inferior vesicle artery supplies bladder in males

Question 9

What artery supplies the prostate gland?

Answer 9

Prostatic artery

Question 10

Where is the prostate gland in relation to the bladder?

Answer 10

Inferior to the bladder

Question 11

What products does the prostate gland contain to help support sperm?

Answer 11

Proteolyctic enzymes and acid phophatase

Question 12

Arteries of prostate gland

Answer 12

Internal pudendal
Middle rectal
Inferior vesical arteries

Question 13

Venous drainage of prostate gland

Answer 13

Deep dorsal of penis > plexus> internal iliac

Question 14

Name two structures which support the prostate gland

Answer 14

Pubo- prostatic ligament
Levatore prostate (part of pelvic floor)

Question 15

Testes lymphatic drainage

Answer 15

aortic nodes at root of the testicular artery (@L2)

Question 16

Skin of penis and wall of scrotum lymphatic drainage

Answer 16

superficial inguinal nodes

Question 17

What is the walls of the Ischioanal (rectal) fossa?

Answer 17

Ischial tuberosity, rectum/ anal canal

Question 18

What is the roof of the Ischioanal (rectal) fossa?

Answer 18

Levator ani (pelvic diaphragm)

Question 19

What is the floor of the Ischioanal (rectal) fossa?

Answer 19

skin

Question 20

What is the contents of the Ischioanal (rectal) fossa?

Answer 20

branches of the pudendal nerve, artery, vein and adipose tissue

Question 21

What type of muscle are the internal anal sphincters made of ?

Answer 21

smooth muscle , they are involuntary and automatically open when rectum is full

Question 22

What type of muscle are the external anal sphincters made of ?

Answer 22

Skeletal muscle, they are voluntary near the outside of anal canal

Question 23

Which nerve supplies the external anal sphincters?

Answer 23

Pudendal nerve

Question 24

What does the rectum become when it pierces the pelvic floor?

Answer 24

The anal canal

Question 25

What is the external anal sphincter attached to?

Answer 25

The Perineal body and the anococcygeal ligament

Question 26

What is the function of the external anal sphincter involving the anus?

Answer 26

Closes anus (rectal control aided by puborectalis)

Question 27

Which nerve innervates the external anal sphincter?

Answer 27

Pudendal nerve (S2-4) inferior rectal branch

Question 28

External anal sphincter is made of which 3 parts?

Answer 28

deep, superficial and subcutaneous

Question 29

Arterial supply of rectum

Answer 29

rectum column is supplied by superior rectal artery Internal iliac branches to give middle rectal artery and internal pudendal artery which branches to give inferior rectal artery

Question 30

What nerves are above the pectinate line?

Answer 30

Visceral motor and sensory innervation

Question 31

What nerves are below the pectinate line?

Answer 31

Somatic motor and sensory innervation

Question 32

Lymphatics above pectinate line

Answer 32

To internal iliac lymph node

Question 33

Lymphatics below pectinate line

Answer 33

To superficial inguinal lymph nodes