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Line 7: − === Channels of transportation and transformation of meda dhatu (medovaha srotas) ===+ − The channels of transportation and transformation of meda dhatu originate from the kidneys(vrikka) and omentum (vapavahana), [Cha. Sa. Vimana Sthana 5/8] − − Sushruta opines that they originated from pelvic region(kati) and kidneys(vrikka).[Su. Sa. Sharira Sthana 9/12]. − − Vagbhata added mamsa dhatu to the origin with kidneys (vrikka).[A.S.Sharira Sthana 6/26] − − Considering the above opinions, the origin of meda dhatu can be considered in pelvic region, omentum and kidneys. The sites of origin are important for knowing the source of nourishment in diagnosis and treatment. − − The following structures can be considered as components of the transportation and transformation system of meda dhatu. Line 22:
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Line 35: − + + + + + + − === Causes of vitiation === − When Kapha vitiates the Medovaha Srotas and Medodhara Kala, the Meda Agni becomes low and as a result the qualities of earth and water takes into the body are digested slowly, causing a greater amount of fatty tissue formation. When Pitta vitiates the Medovaha Srotas and Meda Dhara Kala, the Meda Agni becomes high, qualities of earth and water burned up quickly leading to little Meda formation+ − +
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Meda dhatu is present chiefly in abdominal and pelvic region as fat. Thus omentum, misentry, fat pads around organs can be considered as the sites of meda dhatu which could be identified as Vapavahana as per Ayurveda. Can also be present as muscle fat. Also vrukka (body organs equivalent to kidneys) and some small bones are identified as the meda dhatu sites. [Cha. Sa. Vimana Sthana 5/8] [Su. Sa. Sharira Sthana 9/12] [Su. Sa. Sharira Sthana 4/13]
Meda dhatu is present chiefly in abdominal and pelvic region as fat. Thus omentum, misentry, fat pads around organs can be considered as the sites of meda dhatu which could be identified as Vapavahana as per Ayurveda. Can also be present as muscle fat. Also vrukka (body organs equivalent to kidneys) and some small bones are identified as the meda dhatu sites. [Cha. Sa. Vimana Sthana 5/8] [Su. Sa. Sharira Sthana 9/12] [Su. Sa. Sharira Sthana 4/13]
Medovaha srotas i.e. channels of transportation and transformation of meda dhatu originate from the kidneys(vrikka) and omentum (vapavahana), pelvic region(kati) and kidneys(vrikka).[Su. Sa. Sharira Sthana 9/12]. [Cha. Sa. Vimana Sthana 5/8]
== Panchabhautika constitution ==
== Panchabhautika constitution ==
== Upadhatus of meda dhatu ==
== Upadhatus of meda dhatu ==
During the process of metabolism and formation of meda dhatu, ligaments (snayu) are formed as the metabolic byproducts (upadhatu). [Cha. Sa. Chikitsa Sthana 15/17]. Sweat and sebum are formed during this process as waste products (mala). [Cha.Sa. Chikitsa Sthana 15/18].
During the process of metabolism and formation of meda dhatu, ligaments (snayu) are formed as the metabolic byproducts (upadhatu). [Cha. Sa. Chikitsa Sthana 15/17].
== Malas of meda dhatu ==
== Malas of meda dhatu ==
== Meda sara (Characteristics of best quality of adipose tissue) ==
== Meda sara (Characteristics of best quality of adipose tissue) ==
वर्णस्वरनेत्रकेशलोमनखदन्तौष्ठमूत्रपुरीषेषु विशेषतः स्नेहो मेदःसाराणाम्|
सा सारता वित्तैश्वर्यसुखोपभोगप्रदानान्यार्जवं सुकुमारोपचारतां चा चष्टे||१०६||
The person endowed with best quality of meda dhatu has significant unctuousness specifically in complexion, voice, eyes, hair, skin hair, nails, teeth, lips, urine and feces. This indicates wealth, power, happiness, enjoyment, charity, simplicity and delicacy in dealings.[Cha.Sa.Vimana Sthana 8/106]
The person endowed with best quality of meda dhatu has significant unctuousness specifically in complexion, voice, eyes, hair, skin hair, nails, teeth, lips, urine and feces. This indicates wealth, power, happiness, enjoyment, charity, simplicity and delicacy in dealings.[Cha.Sa.Vimana Sthana 8/106]
* Proper nourishment of Meda Dhatu gives proper shape to the body. If excess meda is formed it accumulates in various body parts and leads to obesity related signs.
* Proper nourishment of Meda Dhatu gives proper shape to the body. If excess meda is formed it accumulates in various body parts and leads to obesity related signs.
== Importance in diagnosis ==
== Vitiating factors ==
Diet and lifestyle related some factors directly and adversely affect meda dhatu.
अव्यायामाद्दिवास्वप्नान्मेद्यानां चातिभक्षणात्|
मेदोवाहीनि दुष्यन्ति वारुण्याश्चातिसेवनात्||१६||
The channels of transportation and transformation of meda dhatu (medovahasrotas) are affected by the sedentary lifestyle including lack of physical exercise, daytime sleep, excessive consumption of fatty food, and alcoholic drinks. [Cha. Sa. Vimana Sthana 5/16]
The channels of transportation and transformation of meda dhatu (medovahasrotas) are affected by the sedentary lifestyle including lack of physical exercise, daytime sleep, excessive consumption of fatty food, and alcoholic drinks. [Cha. Sa. Vimana Sthana 5/16]
These are also the common causes of obesity known in these days. Therefore one needs to prevent indulging in the habits mentioned above in order to keep meda dhatu healthy and prevent obesity.
== Importance of concept in the preservation of health and prevention ==
== Importance of meda dhatu in the preservation of health and well-being ==
Meda dhatu provides unctuousness to all body components. Unctuousness is the essential property of the essence of all seven dhatu (ojas). It is related to vitality and immunity of the body. [Cha.Sa. Chikitsa Sthana 24/31] The unctuous portion (sneha) carries functions like lubrication, providing moisture, smoothening, unction, fluidity, and ooziness. [Cha.Sa.Sutra Sthana 22/11] These are important in various physiological processes and functions of the body.
Meda dhatu provides unctuousness to all body components. Unctuousness is the essential property of the essence of all seven dhatu (ojas). It is related to vitality and immunity of the body. [Cha.Sa. Chikitsa Sthana 24/31] The unctuous portion (sneha) carries functions like lubrication, providing moisture, smoothening, unction, fluidity, and ooziness. [Cha.Sa.Sutra Sthana 22/11] These are important in various physiological processes and functions of the body.