On cutting, the swollen cortical substance is pale yellowish in colour, flecked with red, and it stands out strongly from the tubular substance, of which the colour is a reddish brown.This established, and a point of departure having been found between the state where the phlegmatic appearances are manifest, and the state where such appearances are less defined, the rest follows on naturally; and there is no great pressure to assimilate other lesions of albuminous nephritis to the general products of inflammation, nor to connect to a common work or a successive transformation the various disorders which are anatomically essential to this affection.Thus, when the volume and weight of the kidney is augmented, even when one no longer sees either blotches or marbling, even though the cortical substance is of a uniformly pale colour, of a whitish rose, slightly yellowish tint, or an even paler colour like that of eel's flesh (third form), nevertheless one knows that this state is only a more pronounced degree of the second form, where the sanguineous engorgement is even slighter but a discoloured tissue remains, still swollen and full of the remains of an inflammation, where the resolution has made no progress.
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