Dhatus DHATUS Dhatus are seven in number and are known as structural principles of body – again seven different combination of Pancha bhutas. They are Rasa - Essence of food - (nourisher) Rakta - Blood - maintains Mamsa -Flesh muscles - envelops Medas - Fat - Lubricates Asthi - Bone - Support Majja - Marrow - Fills Sukra - Reproductive principle - Reproduction