1 Kidney stones. Large kidney stones cannot enter the ureter but a stone less than 5mm in diameter can cause a sudden obstruction.  Blood clots may obstruct the ureter and this is usually seen with massive hematuria (blood in the urine). Bleeding in these cases may be due to tumors, papillary necrosis or kidney stones.
Depreciation is a concept in accounting used to measure a reduction in the value of fixed assets, such as buildings, equipment, leasehold improvements, and vehicles. As these fixed assets are used in the course of a business' operations, they experience wear and their future value is reduced.
no Depreciation Expense is an expense on your Statement of Comprehensive Income (Profit and Loss Account) The depreciation expense in the year would then reduce the value â¦of the asset to which the depreciation relates.