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.
BRACKETTVILLE, TX. BRACKETTVILLE, TEXAS. Brackettville, the county seat of Kinney County, is on U.S. Highway 90 twenty-two miles northeast of the Rio Grande and 125 miles west of San Antonio, near the geographic center of the county.he community was known as Brackett or Brackett City when it received a post office in 1873; another Texas community was named Brackett, however, so the postal service changed the community's name to Brackettville. It was designated the county seat of Kinney County when the county was established in 1876.