IGF-1 is made in response to growth hormone and is needed for growth hormone to have its effects on muscles and other tissues. Growth hormone, synthesized in the pituitary gland, travels to the liver, which then responds by producing IGF-1.
Spring City is a borough in Chester County, Pennsylvania, United States. The population was 3,323 at the 2010 census. Spring City is a member of the Spring-Ford Area School District. It is situated along the Schuylkill River, which divides Chester and Montgomery counties. Directly across the river is the borough of Royersford.
Greentown is a village in Greene Township, Pike County, Pennsylvania. It had a population of 4,526 in the 2000 US Census. Greentown is home to the Ledgedale Recreational Area, as well as communities such as The Escape, Sand Spring Acres, and Lake Wallenpaupack Estates (not to be confused with Wallenpaupack Lake Estates in Wayne County, Pennsylvania). It is served by the Wallenpaupack Area School District.