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Rakta dhatu is a body component similar to blood tissue. Its important function is to give life or maintain vitality(jivana). Body fluid (rasa dhatu) after acquiring ‘red’ color is termed as “rakta”(blood).<ref>Available from http://namstp.ayush.gov.in/#/sat</ref>(SAT-B.429)
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|title=Rakta dhatu
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|description=Rakta dhatu is a body component similar to blood tissue
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<p style="text-align:justify;">Rakta dhatu is a body component similar to blood tissue. Its important function is to give life or maintain vitality(jivana). Body fluid (rasa dhatu) after acquiring ‘red’ color is termed as “rakta”(blood).<ref>Available from http://namstp.ayush.gov.in/#/sat</ref>(SAT-B.429) </p>
{{Infobox
{{Infobox
|data5 = carakasamhita@gmail.com
|data5 = carakasamhita@gmail.com
|label6 = Date of publication:
|label6 = Publisher
|data6 = June 18, 2020
|data6 = [[Charak Samhita Research, Training and Development Centre]], I.T.R.A., Jamnagar, India
|label7 = Date of publication:
|data7 = June 18, 2020
|label8 = DOI
|data8 = [https://doi.org/10.47468/CSNE.2020.e01.s09.014 10.47468/CSNE.2020.e01.s09.014]
}}
}}
==Etymology and derivation==
==Etymology and derivation==
*'''Rudhira''': The term is derived from root ‘rudh’ meaning to stop or hold. The blood tissue sustains the life of human beings, hence it is called ‘rudhira’’. [Su. Sam. Sutra Sthana 14/39]
*'''Rudhira''': The term is derived from root ‘rudh’ meaning to stop or hold. The blood tissue sustains the life of human beings, hence it is called ‘rudhira’’. [Su. Sam. Sutra Sthana 14/39]
*'''Lohita''': The term indicates the coppery red color of blood. [Su. Sam. Sutra Sthana 14/5]
*'''Lohita''': The term indicates the coppery red color of blood. [Su. Sa. Sutra Sthana 14/5]
*'''Asrik/Asra''': The term is derived from Sanskrit root ‘ashukshepane, srijvisarge'. It means to get ejected or expelled out. This synonym is used in the context of excessive bleeding. E.g.menorrhagia(asrigdara), bleeding disorders(asrapitta/raktapitta)
*'''Asrik/Asra''': The term is derived from Sanskrit root ‘ashukshepane, srijvisarge'. It means to get ejected or expelled out. This synonym is used in the context of excessive bleeding. E.g.menorrhagia(asrigdara), bleeding disorders(asrapitta/raktapitta)
The Rakta dhatu is constituted with the dominance of [[agni mahabhuta]] and all other [[mahabhuta]]. It possesses properties like peculiar smell (vistrata), liquidity(dravata), red color(raga), pulsation(spandanam) and lightness to get circulated (laghuta) due to [[Prithvi]],[[ jala]],[[teja]], [[vayu]] and [[akasha mahabhuta]] are spectively. [Su.Sa. Sutra Sthana 14/9]
The Rakta dhatu is constituted with the dominance of [[agni mahabhuta]] and all other [[mahabhuta]]. It possesses properties like peculiar smell (vistrata), liquidity(dravata), red color(raga), pulsation(spandanam) and lightness to get circulated (laghuta) due to [[Prithvi]],[[ jala]],[[teja]], [[vayu]] and [[akasha mahabhuta]] are spectively. [Su.Sa. Sutra Sthana 14/9]
Rakta dhatu is neither too hot nor too cold(anushna-sheeta), sweet (madhura), unctuous (snigdha), red(rakta), heavy(guru), with peculiar smell (vistra).It can get affected by the same substances that provoke [[pitta dosha]].[Su. Sam. Sutra Sthana 21/17]
Rakta dhatu is neither too hot nor too cold(anushna-sheeta), sweet (madhura), unctuous (snigdha), red(rakta), heavy(guru), with peculiar smell (vistra).It can get affected by the same substances that provoke [[pitta dosha]].[Su. Sa. Sutra Sthana 21/17]
==Formation and metabolism of rakta dhatu==
==Formation and metabolism of rakta dhatu==
During the process of metabolism and formation of rakta dhatu, tendons(kandara) and veins(sira) are formed as the metabolic byproducts(upadhatu).[Cha. Sa.[[Chikitsa Sthana]] 15/17]. Sharangadhara opines menstrual blood([[artava]]) as the metabolic by-product.
During the process of metabolism and formation of rakta dhatu, tendons(kandara) and veins(sira) are formed as the metabolic byproducts(upadhatu).[Cha. Sa.[[Chikitsa Sthana]] 15/17]. Sharangadhara opines menstrual blood([[artava]]) as the metabolic by-product.
[Sharangadhara Sa. Purvakhanda chapter 5]
[Sha. Sa. Purva khanda chapter 5]
Various pigments and acidic secretions are formed as waste during this process. These are termed as malarupa [[pitta]].[Cha.Sa. Sutra Sthana 15/5]
Various pigments and acidic secretions are formed as waste during this process. These are termed as malarupa [[pitta]].[Cha.Sa. Sutra Sthana 15/5]
Shonitavarnaniya Adhyaya[Su. Sam. Sutra Sthana 14]
Shonitavarnaniya Adhyaya[Su. Sam. Sutra Sthana 14]
=== Related articles ===
*[[Dhatu]]
*[[Rasa dhatu]]
*[[Mamsa dhatu]]
*[[Meda dhatu]]
*[[Asthi dhatu]]
*[[Majja dhatu]]
*[[Shukra dhatu]]
=== External links ===
=== External links ===
*SAT = Standard Ayurveda Terminology
*SAT = Standard Ayurveda Terminology
*Cha. = Charak
*Cha. = Charak
*Su. = Sushruta
*Su. = Sushruta
*Sha. =Sharangadhara
*Sha. =Sharangadhara
*Sa. = Samhita
*Sa. = Samhita
=== References from [[Charak Samhita]] ===
The list of references for rakta dhatu in Charak Samhita can be seen [[Media:Rakta_dhatu-reference_list.pdf|here.]]
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==References==
==References==
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