It has long been recognized that there is considerable variation in the amount of capillary bed available in different parts of the nervous system. However, only comparatively recently (following the example set by Krogh's work on the vascularity of muscle) has there been any attempt to measure this variation by accurate quantitative methods. Craigie investigated a large number of areas of the nervous system of the rat (1920,1a 1921,1b 19301f), of certain fish (1927,1c 19281d) and of birds (19291e). Cobb and Talbot2 and Cobb3 studied certain areas of the rabbit's brain, and Talbot, Wolff and Cobb4 and Dunning and Wolff,5 various parts of the nervous system of the cat.
The only extensive comparison of the vascularity of many areas was that of Craigie in the rat brain. It seemed profitable, therefore, to investigate a series of areas in the
CAMPBELL ACP. VARIATION IN VASCULARITY AND OXIDASE CONTENT IN DIFFERENT REGIONS OF THE BRAIN OF THE CAT. Arch NeurPsych. 1939;41(2):223–242. doi:10.1001/archneurpsyc.1939.02270140009001
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