What is "haematogenesis"

Haematogenesis \H[ae]m`a*to*gen"e*sis\ (h[e^]m`[.a]*t[-o]*j[e^]n"[-e]*s[i^]s or h[=e]`m[.a]*t[-o]-), n. [H[ae]mato- + genesis.] (Physiol.)

1. The origin and development of blood.

2. The transformation of venous into arterial blood by respiration; hematosis.

n. 1 (context physiology English) The origin and development of blood. 2 (context physiology English) The transformation of venous arterial blood by respiration; haematosis.

n. the formation of blood cells in the living body (especially in the bone marrow) [syn: hematopoiesis, haematopoiesis, hemopoiesis, haemopoiesis, hemogenesis, haemogenesis, hematogenesis, sanguification]