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.
KEENAN, TX. KEENAN, TEXAS. Keenan is on the Atchison, Topeka and Santa Fe Railway and Farm Road 2854, 10Â½ miles west of Conroe in western Montgomery County. It was established about 1906 on the Gulf, Colorado and Santa Fe line and named for W. S. Keenan, passenger agent of the railroad. The community was a shipping point for timber.