Phlebotomy
Phlebotomy is the process of making a puncture in a vein with a needle, for the purpose of taking blood. The procedure itself is known as a venipuncture.
Cytopathology
Cytopathology is a branch of pathology that studies and diagnoses diseases on the cellular level.
Hematology
Hematology is the science of blood, blood-forming organs and blood diseases. In the medical field, hematology includes the treatment of blood disorders and malignancies, including types of hemophilia, leukemia, lymphoma and sickle-cell anemia.