All those seventeen (with Avidya or nesciene as eighteenth) living in the body, exist attached to him who owns the body. When the owner disappear from the body, those eighteen cease to live together in the body.
अथवा सशरीरास्ते गुणाः सर्वे शरीरिणाम्। संश्रितास्तद् वियोगे हि सशरीरा न सन्ति ते॥