78 terms

Chapter 4 The Hematopoietic System

STUDY
PLAY

Terms in this set (...)

Reticulocyte
A young red blood cell containing ER and remnant ribosomes
Polychromasia
When erythrocytes have various staining qualities
Anisocytosis
Red blood cells vary in size
Anemia
A deficiency of erythrocytes and/or hemoglobin
Pancytopenia
A deficiency of all blood cells
Leukocyte
A white blood cell
Leukopenia
A deficiency of white blood cells
Leukocytosis
Increased numbers of Leukocytes
Neutropenia
A deficiency of neutrophilic leukocytes in the blood
Basophilic
Things that stain readily with blue or basic dyes
Eosinophilia
Increased numbers of eosinophilic leukocytes in the blood
Lymphocytosis
Increased numbers of lymphocytic leukocytes in the blood
Monocytosis
Increased numbers of monocytic leukocytes in the blood
Hematology
The study of blood
Morphology
The study of form
Erythrocyte
A red blood cell
Polymorphonuclear
Pertaining to a multi-shaped nucleus
Thrombocyte
A clot cell (blood platelet)
Hemostasis
The process of blood stoppage
Thrombus
A blood clot
Phagocyte
An "eating" leukocyte
Macrophrage
A phagocyte that is very large and feeds outside of the bloodstream, between tissues
Anticoagulant
A chemical agent that prevents the clotting of blood
Hemolysis
The process of destroying blood (or blood cell breakdown)
Hemorrhage
Bleeding
Hematoma
A blood swelling in the tissues due to a broken vein or artery
Hematocrit
To separate blood
Magakaryocyte
A large cell that forms platelets in the bone marrow
Poikilocytosis
Varied shapes of erythrocytes
Hypoproteinemia
A lack of protein in the blood
Lipemia
A condition of "fat" blood
Leukemia
A malignancy of blood forming tissues results in excessive numbers of abnormal leukocytes
Bilirubinemia
An excess of Bilirubin in the blood (bilirubin is generated by the breakdown of hemoglobin)
Icteric
Jaundice
Rubriblast
The youngest form of erythrocyte
Prorubricyte
Toddler erythrocyte
Rubricyte
Teen erythrocyte
Metarubricyte
A "changed" erythrocyte; young adult erythrocyte; about to discharge its nucleus
Myelocyte
Immature baby leukocyte
Metamyelocyte
An "after/changed" marrow cell
Prothrombin
A "pre-clotter" that comes around before Thrombin
Filbrinogen
It produces fiber in a blood clot; the precursor to fibrin
Spherocyte
A ball cell; an erythrocyte that is round without the central dent
Stomatocyte
A poikilocytic (irregularly shaped) cell that appears to have a smiley face
Keratocyte
A poikilocytic (irregularly shaped) cell that appears to have horns
Echinocyte
A poikilocytic (irregularly shaped) cell that appears to have spines like a hedgehog
Ancanthocyte
A poikilocytic (irregularly shaped) cell that appears to have "thorns" (irregularly placed, usually only a few)
Schizocyte
A split cell; A poikilocytic (irregularly shaped) cell that has been torn into fragments
Myelodysplasia
A condition of marrow malformation
"Buffy coat"
The layer of leukocytes and thrombocytes that appears when "layering" blood in tubes with the use of an anticoagulant
Packed cell volume
the thickness of the erythrocyte layer after being spun on a centrifuge
Total Protein (TP)
The concentration of proteins in the plasma
Refractometer
Instrument used to determine protein concentration in plasma
Hematopoiesis
The process of creating blood cells in the bone marrow
To transport oxygen
The main purpose of erythrocytes
hemoglobin
What gives cells their red color
hemoglobin bound to oxygen
Some erythrocytes are "light" red because of
hemoglobin bound to carbon dioxide
Some erythrocytes are "dark" red because of
Macrocytic
large blood cells
Leukocytes
Which are larger: erythrocytes or leukocytes?
Granulocyte
A leukocyte with secretory glands in its cytoplasm
Neutrophil, basophil, eosinophil
What are the three types of granulocytes, named by what they secrete?
Agranular
The condition of having no granules in the cytoplasm
Monocyte, lymphocyte
What are the two agranular leukocytes?
Neutrophilic
Which type of granulocyte is present in the highest numbers?
Neutrophils, Eosinophils
Name an example of a polymorphonuclear leukocyte or erythrocyte
Rid the body of foreign invaders through phagocytosis
What is the main purpose of Neutrophils?
Homogeneous gray cytoplasm, lightly basophilic staining tendencies, large multi-lobed nucleus
What are some identifying characteristics of monocytes?
Eosinophils, Basophils
What are the two granulocytes that are important in allergic reactions?
Start large, become small
How do lymphocytes change in size with age?
Produce antibodies
What is the purpose of Lymphocytes?
To "label" foreign bodies
What is the purpose of antibodies?
Darkly basophilic staining, very round or ovular
Describe a lymphocyte's physical appearance
Blood platelets
What is another name for Thrombocytes?
To help with blood clotting
What is the purpose of the thrombocyte?
Very small, lavender-stained, mottled cells
Describe the physical appearance of thrombocytes (blood platelets)
Plasma
Where is the clotting factor fibrinogen found?
Erythropoietin
the hormone that stimulates red blood cell production