Figure 2
From: Cerebral tissue pO2 response to treadmill exercise in awake mice
Capillary blood flow. (a) Perpendicular (upper left) and longitudinal (lower left) scans over selected capillaries and obtained space–time image (middle: perpendicular scan; right: longitudinal scan), from which capillary flow parameters were calculated. (b–h) Capillary diameter (b), RBC speed (c) and RBC flux (d) were obtained from space–time images. Capillary volumetric flow (e), RBC linear density (f), capillary hematocrit (g) and capillary resistance (h) were estimated from diameter, flux and speed. (L0, n = 39; L1, n = 25; L2, n = 30; L3, n = 32 capillaries). L0: rest, L1: exercise level 1 (5 m/min), L2: exercise level 2 (10 m/min), L3: exercise level 3 (15 m/min). Results are presented as mean ± s.e.m. Statistical significance was calculated using ANOVA followed by Tukey HSD post hoc test. ***p < 0.001, **p < 0.01, *p < 0.05, #p-value approaches significance (p < 0.1).
