Nephrology and Hypertension. Overview. The Division of Nephrology and Hypertension at Mayo Clinic sees more than 4,000 patients with kidney problems each year, and more than 30,000 patients who suffer from hypertension. Patients who choose Mayo Clinic have access to one of the largest groups of practicing nephrologists in the country.
After spending more than a week in Portugal, and paying his respects to Eleanor of Viseu, Columbus again set sail for Spain. Ferdinand Magellan was a young boy and a ward of Eleanor's court; it is likely he saw Columbus during this visit.
Christopher Columbus. n Italian navigator who discovered the New World in the service of Spain while looking for a route to China (1451-1506) in earlier times, a person who explored by ship.