Match the following medical terms with their definitions:

A. Determines the number of different types of leukocytes
B. Determines the shape or form of erythrocytes
C. Percentage of erythrocytes in a volume of blood
D. Any abnormal or pathologic condition of the blood
E. Inherited defect in the ability to produce hemoglobin
F. Erythremia
G. Lymphoblasts predominate in the blood; most often seen in children
H. Malignant tumor of bone marrow
I. Separation of blood into its parts
J. Time required for venous blood to clot in a test tube
K. Small amount of bone marrow is aspirated and examined under a microscope
L. Relieving pain, but not curing an illness
M. Lack of mature erythrocytes owing to inability to absorb vitamin B12
N. Both mature and immature granulocytes are present in bone marrow and blood
O. Total amount of a blood protein is measured in a sample of blood
P. Symptoms of disease return
Q. Symptoms of disease disappear
R. Speed at which red cells settle out of plasma

1. Red blood cell morphology
2. Palliative
3. Erythrocyte sedimentation rate
4. WBC differential
5. Coagulation time
6. Polycythemia vera
7. Multiple myeloma
8. Remission
9. Hemophilia
10. Thalassemia
11. Hematocrit
12. Purpura
13. Chronic myeloid leukemia
14. Hemoglobin test
15. Apheresis
16. Pernicious anemia
17. Dyscrasia
18. Bone marrow biopsy
19. Relapse
20. Acute lymphoid leukemia

Please match the terms to their corresponding definitions.