Astanga Hrudaya
रसात्मकं वहन्त्योजस्तन्निबद्धं हि चेष्टितम्। स्थूलमूलाः सुसूक्ष्माग्राः पत्ररेखाप्रतानवत्॥१९॥
they transport the rasa (first fluid tissue) and ojas (essence of tissues) to the whole body; on them all the activities of the body depend they are big at their roots and very small at tips,
english translation
rasAtmakaM vahantyojastannibaddhaM hi ceSTitam। sthUlamUlAH susUkSmAgrAH patrarekhApratAnavat॥19॥
hk transliteration by Sanscript