Leuko-cytes
What is the function of basophils?
release chemicals such as histamine
What is hemophilia?
inherited disorder involving impaired clotting
What is leukopenia?
too few WBCs occurs from disease, medications, and bone marrow problems
What are phagocytosis and macrophages?
Phagocytosis: The process by which phagocytes engulf and digest pathogens.
Macrophages: Recognize, engulf and destroy target cells
What are the functions of Leukocytes in general?
Defense and immunity
What is the function of Neutrophils?
Phagocytize bacteria and other pathogens
What is thrombus?
Blood clot that forms inside a blood vessel and remains there
What is myleoid leukemia?
uncontrolled granulocyte production
What are the platelet functions?
Vascular Spasms, Platelet Plug Formation, Coagulation Events
How is inadequate erythropoiesis caused?
nutritional deficiency, kidney insufficiency, destruction of myeloid tissue, aging
What is the function of lymphocytes?
immune response
What is embolus?
A clot or other material that travels through the blood stream
Uncontrolled lymphocyte or monocyte productions
What are antigens and antibodies?
Antigens: Complex molecules on the surface of the cell membrane
Antibodies: Proteins that bind antigens, marking them for destructions
What are the 5 leukocytes?
Neutrophils, Eosinophils, Basophils, Lymphocytes, Monocytes
What is the function of monocytes?
become macrophages in tissue, engulf pathogens, dead cells, and debris
What is thromboembolism?
A thrombus breaks loose and travels through the blood stream
What is acute leukemia?
appears suddenly, progress rapidly, death within months
What aggultinogens?
Antigens on the surface of the RBC that trigger agglutination
What is agglutination?
Antibody binds multiple foreign cells and sticks them together; large clumps may result
What is the function of Eosinophils?
Fight parasites involved in allergies.
What is Hemostasis?
the process of stopping blood flow
What is chronic Leukemia?
undetected for months, survival 3 years
What do the 3 platelet functions do?
Vascular Spasms: constriction of a damaged blood vessel
Platelet Plug Formation: Platelets stick to parts of damaged blood vessels, become activated, and accumulate in large numbers.
Coagulation Events: Reactions that convert soluble protein fibrinogen into insoluble fiber fibrin
What is agglutinin?
Antibodies that bind agglutinogens