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.
Only one ocean borders Spain. The Atlantic Ocean is on the west coast of Spain. Another large body of water, called the Mediterranean Sea, is on the east coast of Spain.ortugal borders mainland Spain to the West, constituting Spain's  longest land-border. To the north, there is Andorra and France.    On the African continent, Spain c â¦ ontrols two cities, Ceuta and  Melilla.