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. 2017 Apr 5;8:122. doi: 10.3389/fneur.2017.00122

Figure 2.

Figure 2

Schematic of the inner ear with approximate locations of magnetic field, net ionic current, and Lorentz force vectors. Note the anatomic relationship between the utricle and ampulla of the lateral and anterior semicircular canals. The green arrow represents the net ionic current of the utricle. The orange arrow represents the direction of the magnetic field vector (head to toe), when a person is lying in the strong static magnetic field of an MRI. The red arrow represents the resultant net Lorentz force from the cross product of the current and magnetic field vectors. Original illustration #933 in the Walters Collection of the Max Brödel Archives, Department of Art as Applied to Medicine, The Johns Hopkins University School of Medicine, Baltimore.