Parathyroid chief cell. Parathyroid chief cells (also called parathyroid principal cells or simply parathyroid cells) are cells in the parathyroid glands which produce parathyroid hormone. The end result of increased secretion by the chief cells of a parathyroid gland is an increase in the serum level of Calcium. Parathyroid chief cells constitute one of the few cell types of the body that regulate intracellular calcium levels as a consequence of extracellular (or serum) changes in calcium concentration.
According to the National Basketball Association, basketball courts should be rectangular shapes that are 94 feet long and 50 feet wide, with inner dimensions including a 23 foot, 9-inch semicircular three-point arc at either end of the court; however, dimensions for other leagues and age groups may differ.
Basketball Courts. Indoor Basketball Courts. Sport Court's indoor basketball court systems provide a safe, high-performance basketball surface that reduces shock, delivers excellent traction and ball response, and can be customized with team colors and logos.ur high-performance basketball court flooring is used all over the world for recreation as well as competition. Sport Court basketball surfaces are the official playing surface of the professional Japanese Basketball league as well as the NBA Jam Session during the NBA All-Star Weekend.