Note 66 — Chapter LIV · THE KIDNEYS.
Reading edition
It may assist in the recognition of hypernephromatous tissue, after removal, to remember that adrenal tissue has the property of decolorizing starch which has been turned blue by the addition of iodine. Crofton has shown how there may be put into a test-tube a 1 per cent. starch solution colored with a drop of weak tincture of iodine. If to this solution hypernephromatous tissue be added the blue color changes gradually to a pink and then fades out.