Blood Flashcards
What is an antigen?
usally large molecule or smaller part of it that induces immunological responce in the target organism
What is an antibody?
Large Y-shaped protein produced mainly by plasma cells, used by immunesytem to identify, and neutralize bacteria and viruces. Antibodies is also called immuglobin.
What is aggulation?
Clumping of particles. Occurs if an antigen is mixed with it corresponding antibody, called isoaggulation.
What is an Anti-D, and what purpose does it surve?
Most significant antigen, because it is most likely to provoke an immunesystem responce
What is the ABO blood group system?
The most important blood group in human blood transfution, consist of anti-a, anti-b and anti-0
Rh blood group system
system for classifying blood groups according to the presence or absence of the Rh antigen, often called the factor, Rh factor, on the cell membranes of the red blood cells (erythrocytes).
What are T-cells function?
Attack fungi, viruses and some bacteria.
What are B-cells function?
Produce antibodies, and are particulary effective in destroying bacteria and inactivationg their toxin.
What are NK-cells?
Natural killer cells, attack a vatirty of infectious microbes and tumor cells.
What are platlets function?
Platelets are a protein that helps bloodclotting, by clumping around the area of injury, laying down as strings. 1% of the blood.
What is the fibrolytic system function?
Regulates some anticoagulation to prevent intravasacular clots or excessive clots of vessle
What are the three agranular leukocytes called?
T-cells
B-cells
NK-cells
What is the liquid extra cellular matrix surrounding the blood called?
Plasma
What are the most important functions of the blood?
Transport of rasetory gases
Homeostatis
Protection (blood clotting, infections, figth diseases)
Regulate temprature and pH
What is erytrocytes, and what ions does it contain?
Red blood cells, make up about 45% of the total blood volume. Have many positive charged ions such as calcium, sodium and potassium. Have some negative like phosphate, sulfate, bicarbonate.
