Abstract:
Kalasharir described in Ayurved compendia is unique concept of AyurvedSharir. Kala
are described as limiting membranes between Dhatuand Aashay which are seven in number.
Kala are not mere limiting membranes in the body between two entities but also perform certain
functions. Purishadhara kala is of fifth- This is in the anthakoshtha between, last parts of
laghwantra and starting part of bruhadantra known as unduka.Here the separation of rasa, mutra
and purisha takes place.Separation of mala is more in pakvashaya. Here liquid waste material is
separated and it sends towards basti and solid part of the waste remains there. Malavstambha is
when there is change in natural evacuation of stool i.e. irregular evacuation of hard stool.