
To
understand physiology, pathology and pharmacokinetics of ayurvedic
therapeutics the concept of panchbhoutic siddanth is of vital importance.
Phrithwi, Aapa, Teja, Vayu and Akasha are the five (Pancha) basic elements
that are the constituents of all living matter. Together these five are
called Panchamahabhoota. These five elements are the building units of every
thing, including medicines and living beings. Depending on the majority of
the content, the matter is classified as Parthiva, Apya, Taijasa, Vayaviya
and Akashiya respectively. The permutation and combination of these elements
and its quantum in a given matter decides its properties. Mahabhoota is the
smallest divisible unit of any matter.
The space without which exixtence of any matter is impossible is called the
Akashamahabhoota that was first evolved from the akasha-tanmatra (only
Akasha element). The Sound (Shabda) is the main sense attribute and
Apratighatatwa (Nonresistance?) is its main property. Next to evolve from
Akashamahabhoota. Sparsha (touch) is Vayumahabhoota that inherits attribute
of Shabda. Chalatwa as its main property. From Vayumahabhoota the next to
evolve is Agnimahabhoota. The main sense attribute of Agni is Roopa (Vision)
and the main property is Ushnatwa (heat). It also inherits the sense
attributes of Shabda and Sparsha from the earlier Mahabhootas.The next in
line to evolve from Agnimahabhoota is Aapamahabhoota (Jalamahabhoota). Rasa
(taste) is its main sense attribute and Dravatwa (liquidity) is the main
property, along with that inherited from earlier Mahabhoota.

The
last to evolve is Prithwimahabhoota. Kharatwa (roughness) is the main
property and Gandha (Smell) is the main sense of this Mahabhoota along with
properties inherited from the earlier once.
All this ayurvedic knowledge of the panchamahabhoota can be
summarized as:
Mahabhoota Sense Attributes Main Property:
- Akasha Shabda Aapratighata
- Vayu Shabda, Sparsha Sparsha Chala
- Agni Shabda, Sparsha, Roopa,Sparsha, Roopa Ushna
- Aapa (Jala) Shabda, Sparsha, Roopa, Rasa Drava
- Prithwi Shabda, Sparsha, Roopa, Rasa, Gandha Khara
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