Kidneys

Question 1

Outline the three seperate systems forming embryology;

Answer 1

(1) pronephros

(2) mesonephros

(3) metamephros

Question 2

Outline some functions of the kidney;

Answer 2

• excretion of waste

• reabsorption of nutrients

• acid-base balance

• hormone secretion

• regulation of blood pressure

• regulation of osmolarity

Question 3

Outline some cells of the nephron;

Answer 3

• juxtaglomerular cells (produce & secrete renin for control of Na+)
• macula densa (sensitive to decrease in Na+)
• mesangial cells (provide central support)
• fenestrated endothelium(filtration of blood)

-podocytes (filtration of blood)

Question 4

Outline 4 different stains;

Answer 4

• bowman’s capsule
• glomerulus
• podocyte
• macula densa

Question 5

Describe the cell type for renal interstitial;

Answer 5

Fibroblasts - produce erythropoietin

Perivascular cells

Juxtaglomerular cells