Overview Of Urinary System

Question 1

Innervation of kidney

Answer 1

Sympathetic: lesser splanchnic (T10-T11), least splanchnic (T12), lumbar splanchnic (L1&L2) nerves
Parasympathetic: vagus nerve

Question 2

Lymphatic drainage of kidney

Answer 2

Lumbar lymph nodes

Question 3

3 sites of constrictions of ureter

Answer 3

1. Pelvi-ureteric junction
2. Entrance into pelvic brim
3. Entrance into bladder

Question 4

Structure of urinary bladder

Answer 4

Mucosa (folded)
Muscular coat (detrusor muscle)
Trigone (triangular area on base of bladder)

Question 5

Blood supply of urinary bladder

Answer 5

• Superior and inferior vesical artery

* Vesical venous plexus around neck - drain into internal iliac vein

Question 6

Nerve supply of urinary bladder

Answer 6

Sympathetic: T11-L2 spinal segments
Parasympathetic: pelvic splanchnic nerve (S2-S4)
- motor to the detrusor muscle

Question 7

Lymphatic drainage of urinary bladder

Answer 7

Drain into external iliac node

Question 8

Relations of male bladder (posterior)

Answer 8

• rectovesical pouch
• rectum
• seminal vesicle
• ureter
• vas deferens

Question 9

Relations of male bladder (anterior)

Answer 9

• retropubic space

Question 10

Relations of male bladder (lateral)

Answer 10

•levator ani muscle

Question 11

Relations of female bladder (posterior)

Answer 11

• isthmus of uterus
• cervix
• vagina

Question 16

3 parts of male urethra

Answer 16

1. Prostatic part (base to apex of prostate gland)
2. Membranous part (surrounded by external urethral sphincter)
3. Penile/spongy part