Mulat khadyantare dehe

This particular characteristic of srotasa is a representative of its structural
composition regarding its storage capacity and its extensibility when it matters. The
srotasas are originating either from individual organ or group of organs which
have akash mahabhuta dominance and these same organs are considered as “mulasthana”(prime organ).

Source: http://ijam.co.in/index.php/ijam/article/view/05392014/257