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→Seven dhatu
==Seven dhatu==
==Seven dhatu==
The term generally refers the seven structural components of body. They are
The term generally refers the seven structural components of body.
They are
1. Rasa : plasma and lymph
1. Rasa : plasma and lymph
2. Rakta: blood tissue
2. Rakta: blood tissue
3. Mamsa: muscle tissue
3. Mamsa: muscle tissue
4. Meda: adipose tissue
4. Meda: adipose tissue
5. Asthi: bone tissue
5. Asthi: bone tissue
6. Majja: bone marrow
6. Majja: bone marrow
7. Shukra: reproductive fluids; semen
7. Shukra: reproductive fluids; semen
Tridhatu[Cha. Sa. Chikitsasthana 3/73]
'''Tridhatu'''[Cha. Sa. Chikitsasthana 3/73]
1.Vata
1.Vata
2.Pitta
2.Pitta
3.Kapha
3.Kapha
Shad dhatu-the components of garbha(embryo) [Cha. Sa. Sharirasthana 1/16]
'''Shad dhatu'''- the components of garbha(embryo) [Cha. Sa. Sharirasthana 1/16]
It denotes the combination of akasha, vayu, Agni, jala, prithvi(i.e. the five elements)andAtma(soul).
It denotes the combination of akasha, vayu, Agni, jala, prithvi(i.e. the five elements) and Atma(soul).
'''Ashta dhatu''' –the components of prakriti[Cha. Sa. Sharirasthana 1/17]
It consists of five mahabhutas (in their subtle form), ahamkara (ego),
It consists of five mahabhutas (in their subtle form), ahamkara (ego),
mahat (intellect) and avyakta (primordial element)
mahat (intellect) and avyakta (primordial element)
Chaturvimshatidhatu-24 components of purusha[Cha. Sa. Sharirasthana 1/17]
'''Chaturvimshati dhatu'''-24 components of purusha[Cha. Sa. Sharirasthana 1/17]
Purusha comprises of twenty four dhatus, i.e. mind, ten indriyas (sensory and motor organs), five objects of sense organs and prakriti (consisting of eight dhatu).
Purusha comprises of twenty four dhatus, i.e. mind, ten indriyas (sensory and motor organs), five objects of sense organs and prakriti (consisting of eight dhatu).
Nourishment of dhatu:
'''Nourishment of dhatu''':
The dhatus are formed from prasada (first transformed food into ahara -rasa (nutrient fluid). This nutrient fluid nourishes body components in sequential pattern. It first nourishes the rasa dhatu, then rakta, then mamsa etc. The nutrients present in the food nourish respective dhatu qualitatively and quantitatively. [Cha. Sa. Sutra Sthana 28/4].
Furthermore, during the process of metabolism, dhatus undergo a specific pathway through their own characteristic digestive enzymes termed as ‘dhatvagni. In this process, each dhatu gets converted into two parts: poshya(which nourishes itself) and poshaka (which nourishes others). The poshya fraction is responsible for dhatu’s own nourishment and functions. The poshaka fraction nourishes further other dhatus. Upadhatu (by products) and mala (waste products) are also formed in this dhatu metabolic process.
The dhatus are formed from prasada (first transformed food into ahara -rasa (nutrient fluid). This nutrient fluid nourishes body components in sequential pattern. It first nourishes the rasa dhatu, then rakta, then mamsa etc. The nutrients present in the food nourish respective dhatu qualitatively and quantitatively. [Cha. Sa. Sutra Sthana 28/4]
Furthermore, during the process of metabolism, dhatus undergo a specific pathway through their own characteristic digestive enzymes termed as ‘dhatvagni. In this process, each dhatu gets converted into two parts: poshya(which nourishes itself) and poshaka (which nourishes others). The poshya fraction is responsible for dhatu’s own nourishment and functions. The poshaka fraction nourishes further other dhatus.
Upadhatu (by products) and mala (waste products) are also formed in this dhatu metabolic process.
Thus, each dhatu nourishes its next sequential dhatu.[Cha. Sa. Chikitsasthana 8/39]
Thus, each dhatu nourishes its next sequential dhatu.[Cha. Sa. Chikitsasthana 8/39]
Functions of Dhatu
'''Functions of Dhatu'''
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]
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]
Sl. No Dhatu Guna (qualities) Karma(functions)
Sl. No Dhatu Guna (qualities) Karma(functions)
1 Rasa Drava, snigdha, sara, manda Tushti (satiety), Preenan(nourishment), Raktapushti (nourishing blood)
1 Rasa Drava, snigdha, sara, manda Tushti (satiety), Preenan(nourishment), Raktapushti (nourishing blood)