Urethra

Question 1

What is the wall lining of urethra?

Answer 1

stratified columnar epithelium

Question 2

What are the 3 parts to male urethra? what part is the most and least dilatable (narrow or wide?)

Answer 2

1) Prostatic urethra - widest and most dilatable
2) Membranous urethra - narrow and least dilatable
3) Penile urethra

Question 3

What are the arterial supply for all 3 parts of urethra in males?

Answer 3

1) prostatic - inferior vesical artery (branch of interal iliac)
2) membranous - bulbourethral artery (branch of internal prudendal)
3) Penile - direct internal pudendal

Question 4

Where is the urethra lymphatic drainage in male?

Answer 4

drain to obturator and internal iliac nodes.

Just the penile urethra drains to deep and superficial inguinal nodes

Question 5

What is the mucous glands that lie on either sides of female urethra called?

Answer 5

Skene’s gland

Question 6

Where is the arterial supply to female urethra from?

Answer 6

internal pudendal arteries

Question 7

nerve supply in female urethra?

Answer 7

pudendal nerve

Question 8

lymphatic drainage of female urethra? - proximal and distal

Answer 8

proximal - internal iliac nodes

distal urethra - superficial inguinal lymph nodes