Erythropoietin is/are produced by -
Juxtaglomerular cells
Interstitial cells of the peritubular capillary bed of the kidneys
Pars recta of PCT
Macula densa
Ans. B. Interstitial cells of the peritubular capillary bed of the kidneysErythropoietin is a glycoprotein hormone which stimulate erythrocyte production.In adults, about 85% of erythropoietin comes from the kidney (interstitial cells in peritubular capillary bed) and 15% from liver (Perivenous hepatocytes). Small amount is also produced in brain; and uterus and oviduct.