Hughes, Trevor
November 1966
Angiology;Nov1966, Vol. 17 Issue 11, p833
Academic Journal
The arterial supply and venous drainage of the baroceptor areas of the cat and dog, and the human carotid sinus, are described from injected and cleared whole-mount preparations. There is an extremely rich vasa vasoral supply in these areas and a high venous to arterial ratio. The possibility that the vasa vasorum are modified to act as a �venous pump� is discussed. This microcirculatory pattern appears to be specific to baroceptor areas. This was demonstrated by examination of the structure of the vessel wall and by staining baroceptor nerve endings. Species differences are described. The method allows satisfactory photography and the paper is illustrated by photomicrographs.


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