Dhatu These are the building blocks of the body. Meaning of the word Dhatu : the base which holds body firmly. There are seven Dhatu in body called Saptadhatu . They are Ras,Rakta,Mans,Med,Asthi,Majja,Shukra . Ras -- The first rasdhatu is produced from the liquid extract ( aharras ) of the digested food. From some part of ras, raktadhatu is produced. The other dhatus are produced in subsequent manner. We cannot correlate the terms exactly. But, logically, Ras can probably be considered as plasma. Its fuction is Preenanam . The term preenanam...
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