The basic unit of the thyroid gland is the follicle. The thyroid gland captures dietary iodine, synthesizes thyroid hormone from it, and stores thyroid hormone until it is needed. Colloid, the material in the center of the follicles, stores thyroid hormone in a large protein called thyroglobulin.
Greensburg is a town in and the parish seat of St. Helena Parish, Louisiana, United States. The population was 718 at the 2010 census. It is part of the Baton Rouge Metropolitan Statistical Area. Greensburg is one of the oldest towns in Louisiana.
Jefferson Parish (French: Paroisse de Jefferson) is a parish in the U.S. state of Louisiana. As of the 2010 census, the population was 432,552. The parish seat is Gretna. Jefferson Parish is included in the New Orleans-Metairie, LA Metropolitan Statistical Area. Jefferson Parish was less affected by Hurricane Katrina in 2005 and has rebounded at a more rapid pace than neighboring Orleans Parish.