KROK 1 2007 – Question 115 · KROK (Medicine) · Histology, Cytology, and Embryology
An electron micrograph of a kidney fragment presents an afferent arteriole. Under its endothelium some big cells can be seen that contain secretory granules. What type of cells is it?
- A. Juxtavascular
- B. Smooth muscle cells
- C. Juxtaglomerular
- D. Interstitial
- E. Mesangial
Hint
Think of the modified smooth muscle cells in the wall of the afferent arteriole next to the glomerulus, whose granules contain an enzyme involved in blood pressure regulation.
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