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Von Hippel–Lindau disease ( VHL ), also known as Von Hippel–Lindau syndrome, is a rare genetic disorder with multisystem involvement. [3] It is characterized by visceral cysts and benign tumors with potential for subsequent malignant transformation. It is a type of phakomatosis that results from a mutation in the Von Hippel–Lindau tumor ...
1983 (7th Session) Area. 38,160.87 ha. Machu Picchu is a 15th-century Inca citadel located in the Eastern Cordillera of southern Peru on a 2,430-meter (7,970 ft) mountain ridge. [2] [3] Often referred to as the "Lost City of the Incas", it is the most familiar icon of the Inca Empire. It is located in the Machupicchu District within Urubamba ...
The Von Hippel–Lindau tumor suppressor also known as pVHL is a protein that, in humans, is encoded by the VHL gene. Mutations of the VHL gene are associated with Von Hippel–Lindau disease, which is characterized by hemangioblastomas of the brain, spinal cord and retina. It is also associated with kidney and pancreatic lesions.
Oncology. Hemangioblastomas, or haemangioblastomas, are vascular tumors of the central nervous system that originate from the vascular system, usually during middle age. Sometimes, these tumors occur in other sites such as the spinal cord and retina. [1] They may be associated with other diseases such as polycythemia (increased blood cell count ...
ungecampus .com. The National University of Equatorial Guinea (UNGE, Universidad Nacional de Guinea Ecuatorial in Spanish) is a public institution of higher education, being one of the main universities of Equatorial Guinea in Central Africa. It has a main campus in Malabo as well as a unit in Bata. Its current Rector is Filiberto Ntutumu ...
Costa Rican oxcarts. Costa Rican oxcarts, called carretas in Spanish, are a large part of Costa Rican history. They allowed for the expansion and increase of exports of many goods including Costa Rica's main export, coffee. It also is a huge part of Costa Rican culture today. The oxcarts are considered one of Costa Rica's national symbols.
The currencies of Puerto Rico closely follow the historic development of Puerto Rico. As a Province of Spain (Autonomous Community) and a territory of the United States, Puerto Rico was granted the use of both foreign and provincial currencies. Following the Spanish colonization in 1508, Puerto Rico became an important port, with its own supply ...
The Ciudad Mitad del Mundo ( Middle of the World City) is a tract of land owned by the prefecture of the province of Pichincha, Ecuador. It is located at San Antonio parish of the canton of Quito, 26 km (16 mi) north of the center of Quito. The grounds contain the Monument to the Equator, which highlights the exact location of the Equator (from ...