[1] Kidney, Ureter, and Bladder Flashcards
Renal Disease Mortality Ranking Among Filipinos
9
Two Leading Causes of Kidney Failure
Diabetes
High Blood Pressure
What do you check for in the urine to indicate kidney disease?
Protein or Albumin
Urine Passed Per Day
1.2-1.5L
Normal Color of Urine
Amber
Is Urine Sterile?
Yes, it is free of bacteria, viruses, and fungi
Tough capsule surrounding kidneys
Renal Capsule
How much blood do the kidneys receive per day?
1100-2000 Liters
Blood is cleaned out once every how many minutes?
4
Kidneys span what vertebrae?
T12-L3
Location: Right Kidney
Right paravertebral gutter
Which of the kidney’s is lower?
Right Kidney
Which kidney is usually donated?
Right Kidney
Location: Left Kidney
Superior Pole at T11
How come there is an increased risk for pneumothorax when undergoing nephrectomy?
Pleural reflection is located at T12
Which of the kidneys are palpable?
Right Kidney
[Renal Hilum]
Entrance of what vessels?
Renal Artery
Also entrance to the renal sinus
[Renal Hilum]
Exit of what vessels?
Renal Vein
Renal Pelvis
Content: Renal Sinus
Renal Pelvis Renal Calyces Renal Vessels Renal Nerves Fat
Where are the nephrons found?
Renal Cortex
Most basic microscopic structures of the kidneys
Nephrons
Inner Layer of the Kidney
Renal Medulla
Contents: Medulla
Pyramids Papillae Columns Calyces Pelvis Nephron that is not in the cortex
Site for salt, water and urea absorption
Medulla
Houses the hoop of Henle and collecting duct of the Nephron
Renal Pyramid
2 Layers of the Renal Pyramid
Internal Medullary Layer
External Cortical Layer
Composition: Internal Medullary Layer
Renal Pyramids
6-16/Kidney
What does the external cortical layer form?
Cortical Arches/Renal Columns of Bertin
Tips of Renal Pyramids that release urine into calyces
Renal Papillae
Collecting sacs that surround renal papillae
Renal Calyces
Function: Renal Calyces
Transport Urine from Papillae -> Pelvis
Flow of Urine
Pyramid -> Papillae -> Minor Calyx -> Major Calyx -> Renal Pelvis -> Ureter
Anterior Renal Fascia
Gerota
Collects urine from all calyces in the kidney
Renal Pelvis
Posterior Renal Fascia
Zuckerkandl
What fills the posterior pararenal space?
Fat
How does the Kidney regulate pH?
Excretes H+ Ions into Urine
Conserves Bicarbonate ions
What hormone does the Kidney release to stimulate blood production?
Erythropoietin
Three Important Hormones of the Kidney
- Erythropoietin
- Renin
- Calcitriol
What is Calcitriol?
Active form of Vitamin D
Blood Supply to the Kidney
Renal Artery
Blood Tracing: Kidney
Renal Artery -> Segmental Artery -> Interlobar Artery -> Arcuate Artery -> Interlobular Artery -> Afferent Arteriole -> Efferent Arteriole
When do arterial anastomoses begin in the kidney?
After the Interlobular Arteries
What does the Anterior Division of the Renal Artery Supply?
Apical
Anterosuperior
Anteroinferior
Inferior
What does the Posterior Division of the Renal Artery Supply?
Dorsal/Posterior Half
Venous Drainage of the Kidney
Renal Vein
Where does the Renal Vein drain to?
IVC
Innervation of the Kidney
Renal Nerve Plexus
What happens to the suprarenal gland during a kidney transplant?
Nothing, it is attached to the diaphragm and only a weak septum of renal fascia separates the kidney and the gland
During a kidney transplant, where are the renal artery and vein joined to?
External Iliac Artery and Vein
Define: Nephroptosis
Abnormal descent of the kidney by more than 3 cm when the body is erect
Define: Ectopic Kidney
Congenitally misplaced kidney
Abnormal ureter length
Inflammation of the Kidney can be tested using?
Psoas Test
The renal plexus has communications with?
Celiac Plexus
Testicular Plexus
Lesser and Lowest Splanchnic Nerves
Lower and Outer Part of the Celiac Ganglion
Function: Ureter
Transports urine from the renal pelvis to the bladder
3 Points of Narrowing in the Ureter
Which is the narrowest?
- Ureteropelvic Junction
- Crossing at the Iliac Vessels
- Ureterovesical Junction (Narrowest)
Blood Supply of the Ureter
Renal Arteries
Gonadal Arteries (Testicular/Ovarian)
Abdominal Aorta
Common Iliac Arteries
Venous Drainage of the Ureter
Renal and Gonadal Veins
Innervation of the Ureter
Derived from the renal, abdominal aorta and superior hypogastric plexus
Define: Renal Colic
Acute obstruction causing excrutiation pain