system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
True about Macula Densa is/are:
assistant
The correct answer is  Function of Macula Densa (Tubulo glomerular feedback): 

Macula densa senses change in NaCl concentration. 
For autoregulation of GFR.