copy 2

Question 1

What are the two bends in the urethra and what is their clincal significance?

Answer 1

1st bend: (green) Transition from the membranous to the spongy urethra

2nd bend: (Red) Transtion from the root of the penis to the body of the penis

Clinical significance: Important to be aware of not to damage them during urethral cathaderization.

Question 2

What part of the urethra is most prone to damage during a straddle injury?

Answer 2

Bulbar urethra

Question 3

What is the spongy urethra further divided into?

Answer 3

The bulbar and penile urethra

Question 4

What lobe usuall gets BPH and what does BPH cause?

Answer 4

An enlargment in the Median lobe casues BPH which in turn causes urine to pile up.

This will cause the patient to be unable to completely empty their bladder which will cause urgency, nocturia, and frequency.

It can also effect the internal urethral sphintcher leading to incomptence

it can also cause urinary obstruction

Question 5

What is the arterial supply of the prostate?

Answer 5

Mainly: Prostatic branches of the inferior vesicle artery with some small branches from the middle rectal and internal pudendal.

Question 6

What is the venous draingae of the prostate?

Answer 6

Prostatic venous plexus which drains into the interal iliac veins

Question 7

What other plexuses is the prostatic plexus connected to and what clinical significance does this haave

Answer 7

This plexus communicates with the vesical, rectal, and vertebral venous plexuses which
is an important route for the spread of the prostatic cancer.