Urinary System

Question 1

Kidneys

Answer 1

Filtration of blood, creation of urine > draining into ureter
Vertebrae T12-L3/ retroperitoneal/ paravertebral gutter

Question 2

Kidney blood supply

Answer 2

Renal artery
-Paired branches off aorta
-Segmental branches for kidney
 Segments are surgically resectable

Question 3

Ureters

Answer 3

-Urine transport (kidneys  urinary bladder)
-Paired muscular tubes/ retroperitoneal
-Smooth muscle tubes  peristaltic contractions to transport urine
-Lumen wall has folds in relaxed state, capable of expansion during peristaltic contraction

Question 4

Internal surface of urinary bladder

Answer 4

-Ureters enter the urinary bladder superiorly on the posterior surface
-Urine will exit inferiorly via the internal urethra orifice into the urethra
Trigone- smooth triangular section (ureter entry points and internal urethral orifice)
Rugae- ridges/ folds of muscular lining