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CEPF is no longer active in this region.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.
It is an absolute certainty that maize was domesticated in Mesoamerica and that, from the time when agriculture was first practiced (about 3 000 years ago), it already formed part of the earliest production systems along with a species of Cucurbita and Capsicum.he plant cover is also very varied in Mesoamerica since the elements of northern origin-pines reach as far as Nicaragua, for instance merge with South American species, many of which have penetrated deep into the lowlands of both slopes in Mexico.