Questions and Answers
Mesangial cells are primarily located in which part of the glomerulus?
Within the stalk of the capillary tuft and the vascular pole
What is the primary function of the mesangial cells in the glomerulus?
To participate in maintenance of the basement membrane through phagocytosis and structural support
Which of the following components of the blood renal barrier prevents the passage of red blood cells?
The pores in the capillary endothelium
What is the composition of the slit diaphragms in the filtration slits?
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What is the function of the lamina rara interna in the glomerular basement membrane?
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What is the ultimate function of the mesangial cell contractions in response to blood pressure changes?
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What is the primary function of the glomerular basement membrane in the filtration barrier?
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In which region of the nephron are the cells smaller than in the PCT, with short microvilli and basolateral folds?
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What is the main function of Principal cells in the collecting ducts?
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What is the characteristic feature of the glomerular filter in diabetes mellitus and glomerulonephritis?
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Which type of cells in the collecting ducts are responsible for maintaining acid-base balance?
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What is the name of the duct that forms at the apex of each renal pyramid, where several medullary collecting ducts merge?
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