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.
For the peninsula, see Iberian Peninsula. PortugalâSpain relations describes relations between the governments of the Portuguese Republic and the Kingdom of Spain. The two states make up the vast majority of the Iberian Peninsula and as such, the relationship between the two is sometimes known as Iberian relations.ortugal, Castille and Aragon were allies in the Reconquista in which they reconquered land from the Muslim Moors in the south of the Iberian Peninsula. Portugal's reconquest was fully achieved by 1249, while Spain finished its reconquest in 1492.