In synthesizing renin, they play a critical role in the renin-angiotensin system and thus in autoregulation of the kidney. Juxtaglomerular cells secrete renin in response to a drop in pressure detected by stretch receptors in the vascular walls, or when stimulated by macula densa cells.he juxtaglomerular cells (JG cells, or granular cells) are cells in the kidney that synthesize, store, and secrete the enzyme renin.
Key Zip or Address or click on the map. This page shows a Google Map with an overlay of Zip Codes for Thousand Oaks, Ventura County, California. Users can easily view the boundaries of each Zip Code. Thousand Oaks, Ventura County, California Zip Code Map Boundary Version 3.0 Copyright Â© 1996-2017 USNaviguide LLC. All rights reserved.
Ventura County, California. Images, from top down, left to right: Ventura City Hall in Old Town Ventura, Ojai Arcade in Ojai, a view of Camarillo, Ronald Reagan Presidential Library in Simi Valley, Point Mugu. Ventura County is a county in the southern part of the U.S. state of California. As of the 2010 census, the population was 823,318. The county seat is Ventura. Ventura County comprises the Oxnard-Thousand Oaks-Ventura, CA Metropolitan Statistical Area, which is also included in the Los Angeles-Long Beach, CA Combined Statistical Area.