Hematology Definitions

Question 1

Leukocyte

Answer 1

White blood cell

Question 2

Cytoplasm

Answer 2

The protoplasm of a cell surrounding the nucleus

Question 3

Granules

Answer 3

A small particle or grain

Question 4

Granulocyte

Answer 4

Any cell containing granules in cytoplasm

Question 5

Agranulocyte

Answer 5

A leukocyte without definite cytoplasmic granules

Question 6

Vacuoles

Answer 6

A space or cavity in the cytoplasm of all(looks like a bubble)

Question 7

Nucleus

Answer 7

A spheroid body within cell

Question 8

Chromatin

Answer 8

The material in nucleus that’s stained with basic dyes

Question 9

Diff quick aka dip quick

Answer 9

Wright stain used to make a differential WBC count

Question 10

Monolayer

Answer 10

Area on blood smear that cells are arranged in one layer

Question 11

cytosis

Answer 11

Condition in which there is/increase

Question 12

penia

Answer 12

Condition in which there is/deficiency

Question 13

philia

Answer 13

Condition in which there is/tendency toward

Question 14

Phagocyte

Answer 14

Any cell that ingests micro organisms or other cells and foreign particles - some WBC are phagocytes - eat to destroy foreign materials

Question 15

Neutrophil

Answer 15

Granular, phagocytic leukocyte that has a nucleus with 3-5 lobes(segments)

Question 16

Band aka stab cell

Answer 16

Immature neutrophil(no segments)

Question 17

Eosinophil

Answer 17

Pink/red granulated, phagocytosis Leuko yet that has a nucleus with 2 lines connected by thread of chromatin

Question 18

Basophil

Answer 18

Purple granulated leukocyte with an irregularly shaped, pale staining nucleus

Question 19

Monocyte

Answer 19

Non-granular, vaculated phagocytic leukocyte with an ovoid or kidney shaped nucleus

Question 20

Lymphocyte

Answer 20

Non-granular leukocytethat is mononuclear with pale blue staining cytoplasm

Question 21

Differential count

Answer 21

Count of 100 WBCs on a stained blood smear to assist in diagnosis

Question 22

Absolute count

Answer 22

Obtained by multiplying the percent of each cell type by the total WBC- unit represented as mm to the third power or ul

Question 23

Relative count

Answer 23

Number of different types of WBC present in the differential count as a percent