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Dhatu (view source)

Revision as of 11:38, 6 April 2020

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'''Functions of Dhatu'''

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The major functions of seven dhatus are listed as preenana(nourishment), jeevana(vitalizing), lepa(covering), snehana(moistening), dharana(supporting),poorana(filling), and garbhoptpadana(reproduction) respectively.[Ashtanga Hrudaya sutra sthana 9/4]

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'''Concept of Upadhatu and Dhatumala:'''

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Upadhatu and mala are by-products formed during process of metabolism. The by-products are categorized into these two groups according to their functional importance. Dhatu supports the body and nourishes the subsequent dhatu. However,upa-dhatus do not nourish any further element. They only carry physiological functions and only support body.

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The other by-products are dhatu-mala or excretory products. They can get easily vitiated by pathogenic factors; hence they are termed as mala.

The following table gives information about upadhatu and mala. [Cha. Sa.Chikitsasthana 15/17], [Cha.Sa. Chikitsasthana 15/20]

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~~Sr.No. Dhatu Upadhatu Mala~~

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~~1. Rasa Stanya (breast milk), Rakta(menstrual blood) Kapha~~

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~~2. Rakta Kandara (artery), sira (blood vessels), artava(menstrual blood)* Pitta~~

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~~3. Mamsa Vasa (muscle fat), six layers of skin Kha-mala (excreta in ear, nose)~~

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~~4. Meda Snayu (tendons) Sweda (sweat)~~

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~~5. Asthi Danta(teeth)*nakha(nails)# Kesha(scalp hair) and loma(body hair)~~

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~~6. Majja Kesha(hair)* Akshi-twacha-vit sneha(oiliness in eyes, skin and stools)~~

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7. Shukra Ojas*

*As opined by Sharangadhara[Sharangadhara Sam. Purvakhanda chapter 5] #As opined bySushruta [Su.Sa. Sutra Sthana 46/529]

Anagha

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