Charak Samhita
स्रोतसां सन्निरोधाच्च रक्तादीनां च सङ्क्षयात्। धातूष्मणां चापचयाद्राजयक्ष्मा प्रवर्तते॥४०॥
From these dhatus, (nutrient tissue elements), the other dhatus ( next dhatu to it that which receive nourishment) gets nourished through their respective srotas (channels of circulation). (For example, a poshaka rasa dhatu would nourish the rakta dhatu).
english translation
srotasAM sannirodhAcca raktAdInAM ca saGkSayAt। dhAtUSmaNAM cApacayAdrAjayakSmA pravartate॥40॥
hk transliteration by Sanscript