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![[Click Here]](figure5.39a.jpg)
Thorium in blood sinus (a)
![[Click Here]](figure5.39b.jpg)
Thorium in cellular vacuoles (b)
![[Click Here]](figure5.39c.jpg)
Thorium in cellular vacuoles (c)
![[Click Here]](figure5.39d.jpg)
Thorium in cellular vacuoles (d)
![[Click Here]](figure5.39e.jpg)
EDX of thorium particles in nephrocytes (e)
![[Click Here]](figure5.39f.jpg)
EDX of thorium particles in nephrocytes (f)
![[Click Here]](figure5.40.jpg)
Trans-epithelial transport mechanisms