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.
1 GEOGRAPHIC SETTING AND ENVIRONMENT. With Portugal, Spain makes up the Iberian Peninsula, or Iberia. Iberia is separated from the rest of Europe by the Pyrenees Mountains, which rise to a height of 11,168 feet (3,404 meters).The peninsula is bordered by the waters of the Mediterranean Sea on the east, the Strait of Gibraltar on the south, the Atlantic Ocean on the west, and the Bay of Biscay on the northwest.beria is separated from the rest of Europe by the Pyrenees Mountains, which rise to a height of 11,168 feet (3,404 meters). The peninsula is bordered by the waters of the Mediterranean Sea on the east, the Strait of Gibraltar on the south, the Atlantic Ocean on the west, and the Bay of Biscay on the northwest.