Anatomy Lecture: SI Worksheet Week 9

What does the liver break down to produce urea?

Toxins

What percent of the blood do kidneys recieve?

20-25%

What artery connects the kidneys to the aorta?

renal artery

What vein connects the kidneys to the vena cava?

Renal vein

What do cortical nephrons do?

filtation, reabsorbtion, secretion

What do juxtaglomerular nephrons do?

concentration of urine

What structure connects the ureters to the major calyx?

The renal pelvis

What is the structure at the tip of a renal pyramid called?

Renal papillia

What is the space in between renal pyramids called?

Renal columns

Name of capilaries around nephrons:

Peritubular capilaries

What percent of blood does the proximal convoluted tubule reabsorb?

50%

Substrates the PCT might secrete into urine:

medications, urea

Wha structure of the nephrons leads to the ureter?

The collecting duct

Where are macula densa cells found?

On the distal convuluted tubule

Where are JG cells found?

On the afferent arteriole

What cells release renin?

JG cells

Which cells block renin?

Macula densa cells

What causes foamy urine?

A faulty proximal tubule that puts proteins into filtrate

How many mL of liquid can the bladder hold?

500 mL

What do umbrella cells serve for in the transitional epithelium?

Flatten when stretched to maximize SA and resist urine toxicity

What is the name for surgical removal of a kidney stone?

Uteroscopy

What is the name of the laser used in a uteroscopy?

A lithotripsy