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*'''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]
*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==
==References==