The Kidney and Urinary Tract Flashcards Preview

LSS 2 - Urinary - Laz > The Kidney and Urinary Tract > Flashcards

Flashcards in The Kidney and Urinary Tract Deck (13)
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1

What drives ultrafiltration?

Blood pressure

2

What are the kidneys encased in?

Capsule

3

Where does each lobe of the kidney drain to?


Minor Calyx

4

What do minor calyces form?

What do minor calyces form?
Major Calyx

5


What do major calyces enter into?

Renal Pelvis

6

How is the kidney formed embryologically?


It is formed from 10 or so kidney like units

7

How does fluid move through the ureters?

Peristalsis

8

Describe the epithelium in the kidneys and state its functions.


Urothelium/Transitional Epithelium
It has three layers of epithelium with the epithelial layer facing the urine having high-resistance tight junctions so you minimise trans-epithelial exchange (so you don't undo the work of the kidneys).
The pleated borders of the urothelial cells allow extensive unfolding when the bladder fills with urine.

9

Where is the bladder located?


Below the pelvic peritoneum and it doesn't usually rise much above the pubic symphysis.

10

What latin word describes things related to the urinary bladder?

Vesical

11


How is the urethra different in males compared to females?




The urethra in males is much longer. In females the urethra opens in the vestibule of the vagina (the space between the labia minora)

12

What is the reflex that leads to contraction of the bladder smooth muscle and relaxation of the bladder's smooth muscle sphincter?

Sacral Parasympathetic Reflex

13

If we decide to urinate, it leads to voluntary relaxation via the reduced stimulation of which nerves?

Pudendal Nerve