SjoegrenâsjÃ¶gren (s PRONOUNCED-showâgrin) s is a chronic autoimmune disease in which aâperson s immune system turns against and attacks theâbody s own. Cells Inâsjoegren, sjÃ¶gren s white blood cells-attack moisture, producing glands such as the tear ducts and, salivary glands making it difficult for your body to produce saliva. and tears
CEPF is no longer active in this region. Spanning most of Central America, the Mesoamerica biodiversity hotspot encompasses all subtropical and tropical ecosystems from central Mexico to the Panama Canal. This includes all of Guatemala, Belize, El Salvador, Honduras, Nicaragua and Costa Rica, as well as a third of Mexico and nearly two-thirds of Panama. The hotspot harbors the highest montane forests of Central America, with the most extensive and best-protected cloud forests.
This wet, broad-leaf forest in South America covers more than 2 million square miles. A Toucan perched on a limb in the Amazon rainforest near Foz do Iguacu, Brazil. The Amazon Rainforest is a massive tropical rainforest in South America, covering an area of more than 2 million square miles. Its are occupies the drainage basin of the Amazon River and its tributaries.