The juxtaglomerular cells (JG cells, or granular cells) are cells in the kidney that synthesize, store, and secrete the enzyme renin.he juxtaglomerular cells (JG cells, or granular cells) are cells in the kidney that synthesize, store, and secrete the enzyme renin.
Throckmorton County, Texas. Throckmorton County is a county located in the U.S. state of Texas. As of the 2010 census, its population was 1,641. Its county seat is Throckmorton. The county was created in 1858 and later organized in 1879. It is named for William Throckmorton, an early Collin County settler.
Hillsboro is a city in and the county seat of Hill County in Northern Central Texas. The population was 8,232 at the 2000 census. Hillsboro, located on Interstate 35 where I-35E and I-35W meet south of the Dallas-Fort Worth Metroplex, is the primary center for trade and commerce in Hill County. It is located almost midway between the Metroplex and Waco, and is the gateway to the popular Lake Whitney.