इनजुरनि गोरा सा - सिमाया गुसेब नोलिफोरनि गेजेरजों थैनि लासै बोहैनायजों जयै मोनसे लाद्रा दानो लाथा सोमजिहोनो हागौ ।
The rough surface of the wall together with the sluggish flow of blood through the narrow channels may cause a clot to form a thrombus .