Hashimoto's Thyroiditis. Also called Hashimoto's disease, Hashimoto's thyroiditis is an autoimmune disease, a disorder in which the immune system turns against the body's own tissues. In people with Hashimoto's, the immune system attacks the thyroid.
According to the U.S. Census Bureau, the county has a total area of 4,751 square miles (12,310 km 2), of which 4,058 square miles (10,510 km 2) is land and 693 square miles (1,790 km 2) (15%) is water.
The city of Los Angeles is irregularly shaped and covers a total area of 502.7 square miles (1,302 km 2), comprising 468.7 square miles (1,214 km 2) of land and 34.0 square miles (88 km 2) of water. The city extends for 44 miles (71 km) longitudinally and for 29 miles (47 km) latitudinally.he Los Angeles River, which is largely seasonal, is the primary drainage channel. It was straightened and lined in 51 miles (82 km) of concrete by the Army Corps of Engineers to act as a flood control channel.