PCT (Proximal Convoluted Tubule) PCT is lined by simple cuboidal brush border epithelium, which increases the surface area for reabsorption. Which secreted $H^{+},\ K^{+}$ and ammonia into the filtrate and absorption of $HCO_{3}^{-}$ from it
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.