Fig. 10.
Cryostat section of PA stained with glyoxal bis(2-hydroxyanil) for ionized and ionizable calcium. Weak stain (arrow) partly outlines a luminal structure (L)
Cryostat section of PA stained with glyoxal bis(2-hydroxyanil) for ionized and ionizable calcium. Weak stain (arrow) partly outlines a luminal structure (L)