Raktha Dhatu (blood) is one among the seven
Dhatus. Raktha indicates red color and originates from Raktadhara Kala (endothelial layer of capillaries). Liver and spleen in foetal life and bone marrow in postnatal life are the other areas of formation. It is derived from the essential nutrients of
Rasa Dhatu.
It carries oxygen to all the Dhatus, maintains color, strength and health. Raktha is responsible for strengthening muscular tissues and maintaining the optimum functions of skins and other sense organs. The waste product of raktha is Pachak pitta (bile), important for digestion. The upadhatus of Raktha are Sira (blood vessels) and kandara (tendons).
