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Related to haematosis: haemostasis
haematosis(1) Obsolete for sanguification—the conversion of chyle into blood.
(2) Haematopoiesis, see there.
(3) The conversion of venous blood to arterial blood by oxygenation in the lungs; e.g., arterialisation.
Haematosis is little used in the working medical parlance.
2. Oxygenation of the venous blood in the lungs.