Hematology is the scientific study of blood and blood-forming tissues. Also spelled haematology.
cbc specimen was rejected for testing by hematolgy
Neurology-head, nervous system Oncology-cancer Hematolgy-blood Obsetrics/gynecology (ob/gyn)- female reproductive system Nephrology-kidneys Immunology-immune system Pediatrics-kids diseases Cardiology-heart Opthamology-eyes Dermatology-skin.