Lo serum es lo liquid sanguin levat de sas cellulas e de proteïnas de la coagulacion.
Es lo liquid subrondant obtengut après coagulacion e centrifugacion de la sang dins un tube « sec », es a dire sens inibitor de la coagulacion. A contrari del plasma, obtengut per simple centrifugacion sens coagulacion prealabla, lo serum es levat dels factors de coagulacion e del fibrinogèn, consomats per la coagulacion.
Aquel liquid es subretot constituit d'aiga, conten de substanças dissolgudas, que son subretot:
La seroterapia a per principi l'injeccion de serum per prevenir o curar una infeccion.
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