Moreira M B
Clinical Neurology, Paraná Evangelical School of Medicine, Federal University of Paraná, Brazil.
Med Hypotheses. 1999 May;52(5):431-3. doi: 10.1054/mehy.1997.0490.
The author establishes an analogy between the control mechanism and autoregulation of the cerebral blood flow and the protection of the vascular wall of the internal carotid artery constituted by the conjunction of the 'internal carotid-cavernous sinus' system with the 'vertebrobasilar-transverse-occipital dural sinus or basilar' 'sinus' system (an extension of the cavernous sinus) in the autoregulation and control of the encephalic circulation carried out through this latter vessel, together with the protection of its vascular walls. The author believes it to be very difficult to demonstrate in practice the functioning of these mechanisms, but he argues that the unusual anatomical features of the systems are indicative of their particular physiological roles.
作者在脑血流量的控制机制和自动调节与颈内动脉血管壁的保护之间建立了一种类比关系。颈内动脉血管壁的保护是通过“颈内动脉-海绵窦”系统与“椎基底-横枕硬脑膜窦或基底窦”（海绵窦的延伸）系统在通过后一血管进行的脑循环自动调节和控制过程中的结合来实现的。作者认为，在实践中很难证明这些机制的运作，但他认为这些系统不同寻常的解剖特征表明了它们特殊的生理作用。
