What is tortuous vertebrobasilar system?

What is tortuous vertebrobasilar system? Dolichoectasia of vertebrobasilar artery is a condition in which the vertebral/basilar artery is elongated, distended and tortuous. It is usually asymptomatic. It may present with compressive or ischemic symptoms. Hydrocephalus as a complication of vertebrobasilar dolichoectasia is rare. What is Ectatic vertebral artery? Vertebral artery Read more…

How do you name phenyl?

How do you name phenyl? The use of Phenyl and Benzyl in Nomenclature If the alkyl group attached to the benzene contains seven or more carbons the compounds is named as a phenyl substituted alkane. The name phenyl (C6H5-)is often abbreviated (Ph) and comes from the Greek word pheno which Read more…