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.
WASHINGTON-ON-THE-BRAZOS, TEXAS. Washington-on-the-Brazos, officially named Washington, in the upper northeastern corner of what is now Washington County, was a major political and commercial center in early Texas. The town was originally named Washington and began to be called Washington-on-the-Brazos or Old Washington only after the Civil War.