autoregulation

noun

au·​to·​reg·​u·​la·​tion ˌȯt-ō-ˌreg-yə-ˈlā-shən 

: the maintenance of relative constancy of a physiological process by a bodily part or system under varying conditions

especially : the maintenance of a constant supply of blood to an organ in spite of varying arterial pressure

the influence of vasoactive agents on autoregulation of renal flow

—Science

autoregulate

-ˈreg-yə-ˌlāt 

verb

autoregulated; autoregulating

autoregulatory

-ˈreg-yə-lə-ˌtōr-ē, -ˌtȯr- 

adjective