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Total number of vessels in postmortem human tissue samples. Vessel numbers were counted under bright field microscopy. Density measurements were obtained by dividing total number of vessels by the area of interest (refer to Methods). Although a change in vessel number was observed in AD subjects, it was only significantly higher in the hippocampus. Data is expressed as Mean ± SEM. *Statistical significance was determined using Student's t tests for mean comparisons (p < 0.05)
