Shiva Purana
शरीरं स्थूलसूक्ष्माभिर्दृश्याऽदृश्या हि तास्स्मृताः ॥ एतावतीभिर्नाडीभिः कोटिभिस्तत्समंततः॥ ४५॥
The hairs are subtle and gross, visible and invisible. The veins and vessels within the body too are so many in number.
english translation
zarIraM sthUlasUkSmAbhirdRzyA'dRzyA hi tAssmRtAH ॥ etAvatIbhirnADIbhiH koTibhistatsamaMtataH॥ 45॥
hk transliteration by Sanscript