Congo red stains amyloid orange to red under light microscopy, which is seen under polarized light as an apple-green birefringent material.
題外話,蘋果綠很特別,所以可以順便★★★...
54.類澱粉物質經剛果紅染色後,在偏光顯微鏡下會呈現何種顏色? (A)紅棕色 ..-阿摩線上測驗