Vertebrobasilar insufficiency is a condition characterized by poor blood flow to the posterior (back) portion of the brain, which is fed by two vertebral arteries that join to become the basilar artery. Blockage of these arteries occurs over time through a process called atherosclerosis, or the build-up of plaque.
No, Portugal is not a Mediterranean country. It does, however, have a mediterranean climate, but it is not considered a mediterranean country because the south does not have the Mediterranean Sea as a coast.
Portugal: Introduction. Portugal is a country in southwestern Europe on the Iberian Peninsula. The Atlantic archipelagos of Azores and Madeira are part of Portugal and occupy strategic locations along western sea approaches to Strait of Gibraltar.Portugal is bordered by Spain and the Atlantic Ocean.ortugal: Introduction. Portugal is a country in southwestern Europe on the Iberian Peninsula. The Atlantic archipelagos of Azores and Madeira are part of Portugal and occupy strategic locations along western sea approaches to Strait of Gibraltar.