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Vertebralno-bazilyarnaya insufficiency

Vertebralno-bazilyarnaya insufficiency (insufficientia vertebrobasilaris) – a circulatory unefficiency in basilar and system of vertebral arteries, appearing at their stenosis against the background of insufficiency of collateral circulation, at osteochondrosis of cervical department of a backbone, and also anomalies of development of arteries; differs mainly in a symptom complex of the repeated temporary disturbances of blood circulation happening in a brain trunk (a dysphagy, a dysarthtia, an ataxy when walking, a diplopia, a rotatory vertigo)

 
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During life the average person develops neither more nor less two big pools of saliva.