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→Meanings in different contexts
In Charak Samhita, the word dhatu is used in different contexts as follows.
In Charak Samhita, the word dhatu is used in different contexts as follows.
*Sapta dhatu (Seven structural components)[Table1]
*Seven structural components(Sapta [[dhatu]])[Table1]
*As a collective term for [[dosha]]-[[dhatu]]-[[mala]][Table1]
*As a collective term for [[dosha]]-[[dhatu]]-[[mala]][Table1]
*[[Tridosha]]/ a particular [[dosha]]([[vata]],[[pitta]], [[kapha]]) [Cha. Sa. [[Vimana Sthana]] 8/122]
*[[Tridosha]]/ a particular [[dosha]]([[vata]],[[pitta]], [[kapha]]) [Cha. Sa. [[Vimana Sthana]] 8/122]
*[[Panchamahabhuta]](five elements) [Cha. Sa. [[Sutra Sthana]] 8/122, Cha. Sa. [[Sharira Sthana]] 4/10, Cha. Sa. [[Sharira Sthana]] 8/15]
*five elements([[Panchamahabhuta]]) [Cha. Sa. [[Sutra Sthana]] 8/122, Cha. Sa. [[Sharira Sthana]] 4/10, Cha. Sa. [[Sharira Sthana]] 8/15]
*Denoting any bodily element/anatomical structure[Cha. Sa. [[Sharira Sthana]] 5/12]
*Denoting any bodily element/anatomical structure[Cha. Sa. [[Sharira Sthana]] 5/12]
*Denoting the components of garbha(Shad dhatu) [Table1]
*Denoting the components of garbha(Shad dhatu) [Table1]
*Loha (metals) [Table1]
*metals(Loha) [Table1]
=== Special Considerations ===
=== Special Considerations ===
*Chetana dhatu- denoting [[Atma]](soul) [Cha. Sa. [[Sharira Sthana]] 2/32]
*Chetana dhatu- denoting soul([[Atma]]) [Cha. Sa. [[Sharira Sthana]] 2/32]
*Beejarupa dhatu- denoting [[shukra]](sperm- containing the essence of all seven dhatu of man) [Cha. Sa. [[Sharira Sthana]] 4/7,10]
*Beejarupa dhatu- denoting sperm- containing the essence of all seven dhatu of man([[shukra]]) [Cha. Sa. [[Sharira Sthana]] 4/7,10]
*Pradhana dhatu- denoting [[shukra]](semen) [Cha. Sa. [[Chikitsa Sthana]] 30/184]
*Pradhana dhatu- denoting semen([[shukra]]) [Cha. Sa. [[Chikitsa Sthana]] 30/184]
*Dravarupa dhatu- denoting [[pitta]][Cha. Sa. [[Chikitsa Sthana]] 4/8]
*Dravarupa dhatu- denoting [[pitta]][Cha. Sa. [[Chikitsa Sthana]] 4/8]
*Dhatu term denoting [[pitta]] [Cha. Sa. [[Vimana Sthana]] 3/39]
*Dhatu term denoting [[pitta]] [Cha. Sa. [[Vimana Sthana]] 3/39]
*Dhatu term denoting any karyadravya (a product)[Cha. Sa. [[Sutra Sthana]] 12/8]
*Dhatu term denoting any product (karyadravya)[Cha. Sa. [[Sutra Sthana]] 12/8]
=== Seven dhatu ===
=== Seven dhatu ===
The term generally refers the seven structural components of body.
The term generally refers to the seven structural components of the body.
They are as below:
They are as below:
#[[Rasa dhatu]] : plasma and lymph
#[[Rasa dhatu]]: plasma and lymph
#[[Rakta dhatu]]: blood tissue
#[[Rakta dhatu]]: blood tissue
=== Six dhatu ===
=== Six dhatu ===
These are the components of garbha(embryo) including [[panchamahabhuta]] and [[atma]]. [Cha. Sa. [[Sharira Sthana]] 1/16]
These are the components of embryo(garbha) including [[panchamahabhuta]] and [[atma]]. [Cha. Sa. [[Sharira Sthana]] 1/16]
It denotes the combination of [[akasha]], [[vayu]], [[Agni]], [[jala]], [[prithvi]](i.e. the five elements) and [[atma]](soul).
It denotes the combination of [[akasha]], [[vayu]], [[Agni]], [[jala]], [[prithvi]](i.e. the five elements) and soul([[atma]]).
=== Eight dhatu
=== Eight dhatu ===
These are components of [[prakriti]]. [Cha. Sa. [[Sharira Sthana]] 1/17]
These are components of [[prakriti]]. [Cha. Sa. [[Sharira Sthana]] 1/17]
It consists of five [[mahabhuta]] (in their subtle form), ahamkara (ego), mahat (intellect) and avyakta (primordial element).
It consists of five [[mahabhuta]] (in their subtle form), ego (ahamkara), intellect(mahat), and primordial element(avyakta).
=== Twenty four dhatu ===
=== Twenty four dhatu ===
These are 24 components of [[purusha]]. [Cha. Sa. [[Sharira Sthana]] 1/17]
These are 24 components of [[purusha]]. [Cha. Sa. [[Sharira Sthana]] 1/17]
[[Purusha]] comprises of twenty four dhatu, i.e. mind, ten indriya (sensory and motor organs), five objects of sense organs and [[prakriti]] (consisting of eight dhatu).
[[Purusha]] comprises of twenty-four dhatu, i.e. mind, ten sensory and motor organs (indriya), five objects of sense organs, and [[prakriti]] (consisting of eight dhatu).
== Formation and nourishment of dhatu ==
== Formation and nourishment of dhatu ==