HÆMATOGENESIS

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Hæm′a‐to‐gen″e‐sis (hĕm′ȧ‐tō̍‐jĕn″ē̍‐sĭs or hē′mȧ‐tō̍–), n. [[Hæmato- + genesis.]] (Physiol.) (a) The origin and development of blood. (b) The transformation of venous into arterial blood by respiration; hematosis.