Erythropoietin is secreted by:
JG apparatus Cells in macula densa Granular cells/ JG cells Mesangial cells Senses Na+ & Cl- in tubular fluids & initiate tubuloglomerular feedback. Synthesis & secrete renin Cells that can alternate the vessel diameter. Type I Coical interstitial cells : synthesize erythropoietin
Coical interstitial cells
Cells in macula densa
Granular cells
Mesangial cells
Blood Physiology