n :  the maintenance of relative constancy of a physiological process by a bodily part or system under varying conditions : esp  :  the maintenance of a constant supply of blood to an organ in spite of varying arterial pressure <the influence of vasoactive agents on of renal flow -Science>  au*to*reg*u*late vb -lat*ed  -lat*ing  au*to*reg*u*la*to*ry adj 
 
 
 
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