20. Endarterectomy is a surgical procedure to remove the atheromatous plaque
material, or blockage, in the lining of an artery constricted by the buildup of
deposits. It is carried out by separating the plaque from the arterial wall.
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24. In (ICA) occlusion, extracranial collateral circulation to the ICA is mainly
achieved via retrograde flow in the ophthalmic artery originating from (ECA)
branches… This phenomenon is known as internalization of the ECA.
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27.
28. GUESSTIMATE : an estimate based on a mixture of guesswork and calculation.
"a rough guesstimate of public expenditure" an estimate that combines
reasoning with guessing.
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31. Ectasia, is a pathological enlargement of the cerebral arteries