Intracranial Circulatory Disorders
A vital step in the study of differences between the functions of different parts of the cerebrovascular system is the investigation of their behavior under different conditions and, in particular in cerebrovascular disturbances which are either unaccompanied or accompanied by a marked deficiency in the blood supply to the brain tissues. The disorders in which there is no primary or marked deficiency of blood supply to the brain tissue include, for example, traumatic cerebral edema and the transient intracranial venous stagnation following occlusion of the jugular veins in the neck. A deficiency in blood supply is also found in the presence of severe venous stasis during occlusion of the cranial vena cava, in general asphyxia through occlusion of the trachea, and in postischemic states of the brain.
KeywordsInternal Carotid Artery Vertebral Artery Systemic Arterial Pressure Major Artery Vascular Mechanism
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