Vol. 6, Issue 3, Part B (2020)

Abstract
Ayurved the Stotasa is a unique concept & fundamental structures elaborated in Ayurved. Srotasa are channels or micro-pores which mainly perform functions of transportation, Ayurveda described many types of Srotas. In Ayurved, Srotasa are enumerated basically in to two types i.e., Antarmukha (Jivitayatan) and Bahirmukha Srotasa (Channels open to exterior). Broadly, Bahirmukha Stotasa are, nine in number which are: two eyes, two nostrils, two ears, one mouth, one rectum and one is urethra. NASA (Nose) is one of the Bahirmukha Stotasa. NASA is the gateway to Siras (Head). The two main functions of NASA are Respiratory and Olfactory; it is also known as an organ of smell. Nasya is an important treatment method, in which drug in administered through NASA.