Nephrons and vessels Flashcards
What does the renal artery first divides into
Arteries , followed by further branching to form interlobar arteries that pass through the renal columns to reach the cortex.
What does the interlobar arteries branch into?
afferent arterioles.
How much do afferent arterioles service nephrons in each kidney?
1.3 million
what do the afferent arterials form?
form a tuft of high-pressure capillaries about 200 µm in diameter called the Glomerulus.
What does the rest of the nephron consist of/
proximal end surrounds the glomerulus- this is the Bowman’s capsule.
What do - The glomerulus and Bowman’s capsule together form
the renal corpuscle
After passing through the renal corpuscle, what do the capillaries form
a second arteriole, the efferent arteriole.
What will the efferent arteriole next form?
form peritubular capillaries and vasa recta, before returning to the venous system.
As the glomerular filtrate progresses through the nephron what do the capillary networks recover?
most of the solutes and water, and return them to the circulation.
As the Glomerulus drains into a vessel what does that in turn form?
a second capillary bed, the definition of a portal system is met. This is the only portal system in which an arteriole is found between the first and second capillary beds.
