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What is the prinicipal organ of the urinary system
What are the accessory organs of the urinary system
The Kidney is a accessory organ of the urinary system
The Urethra and the Ureters are accessory organs of the urinary system
What do the Kidneys resemble
Which kidney is larger the left or the right?
The Left Kidney is larger
Which Kidney is smaller the left or the right?
The Right Kidney is smaller
Which Kidney is lower than the other
The right kidney sits a little lower
Where are the kidneys located?
In the restroperitoneal position
On either side of the Vertebra btwn T12-L3
What vertabra column land marks would you use for the kidneys
What anatomical landmarks would you find the superior poles of the Kidneys
above the 12th rib
lower edge of the parietal plura
The kidneys are posterior to the_______?
The kidneys resemble what kind of bean
A lima bean
What is the medial surface of the kidney that has a concave notch?
Where does structures enter and leave the kidney?
What is considered the beginning of the plumbing system?
Where is urine collected from and transported through to leave the body
from the renial papilla
to the Calyx, (plumbing system)
How much blood flows through the kidneys every 60 sec?
1/5 of the blood pumped by the heart
Flow of blood through Kidney tissue (arteries)
1. Abdominal Aorta
2. Renal artery
3. Segmental arteries
4. Lobar Arteries
5. Interlobar Arteries
6. Acuate Arteries
7. Interlobular Arteriies
8. Afferent arteriole
Flow of blood though Kidney tissue (capillaries)
1. Glomerulus (glomerular capillaries)
2. Efferent arteriole
3. Peritubular capillaries (vasa recta)
What artery recieves blood from capillaries
Efferent arteriole recieves from Glomerulus
between Glomerular and Peritubular Capilaries
Flow of blood through Kidney Tissue (veins)
1. Interlobular veins
2. Arcuate veins
3. Interlobar veins
4. lobar veins
5. Segmental veins
6. Renal Vein
7. Inferior vena cava
Where does the renal blood ultimatly empty into
the inferior vena cava
What are the two tubes that actively convey urine from the kidneys to the urinary bladder
How long are the Ureters?
About 28 to 34 cm
How many layers are each ureter composed of? name them inside to out
Muscular middle layer
fibrous outer layer
What type of muscle is the muscular layer composed of?
How does the urether propel urine
what is a muscular collapsible bag located behind the symphysis pubis
The bladder is lined with mucuos transitional epithilium what is it called
The three opening in the floor of the bladder form a triangle called what
What serves as a resivior for urine before it leaves the body
what aids in expelling urine from the body
A small tubed lined with mucous membrane that leads from the floor of the bladder to the exterior body
Voluntary control of urine or voiding made possible by projection tracts of the CNS is called
What are the microsopic units that make up the bulk of the kidneys
How many nephrons make up the kidney
about 1.25 million
85% of all nephrons that make up almost the entire renal cortex
What lies near the junction of the cortical and medullary layers but have loops of henle
What are the two types of nephrons