Critical Understanding of Shiras Shareeram from Perspective of Nervous System

In Ayurveda among the Ashtangas Shalakya Tantra is named as Urdhwanga Chikitsa that deals with the diseases of Shiras and also its management. Vagbhata Acharya compared the human body to a tree with the roots at the top and branches below. As roots control growth and other functions of plant head controls the functions in human body. Inside Shiras Mastulunga which is made up of Majja Dhatu with consistency of solid ghee resembles the brain located inside head. Brain which is the central part of nervous system controls the functions of whole body. Diseases affecting head also includes conditions that present as neurovascular emergencies. Dhamani which carry Rakta resembles vascular system in body while some other functions of Dhamani is similar to nervous system. The descriptions about Dhamani Sira Snayu and Kandara are relative terms that define the anatomical aspects and physiological functions of nervous system. Hence an attempt was made by critical reviewing Ayurvedic classics for understanding of Shiras and its related structures along with modern literature and research papers online for review of nervous system. The understanding of the terms like Dhamani Sira Mastulunga Snayu Kandara are briefly discussed with possible modern correlation.