In contemporary physiology, red coloured fraction of blood is considered as rakta dhatu. The colourless fluid (plasma) is considered as rasa dhatu. Thus, rasa and rakta together form “blood”. The red fraction or red blood corpuscles are referred to as rakta dhatu in this article. | In contemporary physiology, red coloured fraction of blood is considered as rakta dhatu. The colourless fluid (plasma) is considered as rasa dhatu. Thus, rasa and rakta together form “blood”. The red fraction or red blood corpuscles are referred to as rakta dhatu in this article. |