are the astral vessels that carry the spiritual energy through the physical body.
The threadlike subtle paths of energy flow from the chakras to the various regions of the physical body. Unlike meridians, which have physical components, nadis are nonphysical.
In Yoga, a nadis refers to subtle vibratory pathways or channels along which energy (prana and kundalini) flow through the body.
Energy channels in the body according to Vedic philosophy. Similar to Taoist version of the energy channels, often called meridians.
Arteries. Three of these, viz., Ida, Pingla, and Sushumna intertwine around the spinal column. These are activated in yogic practices to arouse Kundalini (q.v.). These arteries are activated and blocks removed by Pranayama (q.v.) to obtain siddhis (q.v.).
subtle nerve channels related to physical body and energy healing