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.
Europe borders the Atlantic and Arctic Oceans. Some seas that Europe borders are the Mediterranean Sea, the North Sea, the Black Sea, the Baltic Sea, the Bay of Biscay, and thâ¦e Ionian Sea. 4 people found this useful. I am Flukey. 650,555 Contributions. I am an idealistic realist.