| hepatisation | 1. <chemistry> Impregnating with sulphureted hydrogen gas. 2. [Cf. F. Hepatisation. <medicine> Conversion into a substance resembling the liver; a state of the lungs when gorged with effused matter, so that they are no longer pervious to the air. Source: Websters Dictionary (01 Mar 1998) |
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| red hepatisation | The first stage of hepatisation in which the exudate is blood-stained. (05 Mar 2000) |
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| gray hepatisation | The second stage of hepatisation in pneumonia, when the exudate is beginning to degenerate prior to breaking down; the colour is a yellowish gray or mottled. (05 Mar 2000) |
| yellow hepatisation | The final stage of hepatisation in which the exudate is becoming purulent. (05 Mar 2000) |