pretreatment of tissue sections with neuraminidase proved that le ( x ) and n-acetyllactosamine could be partly substituted by sialic acid a type 3 chain and most of n-acetyllactosamine antigens were present only in cytoplasm , whereas all other examined antigens could be present both in cytoplasm and on cell membranes .
C0010834
cytoplasm
C0007603
cell