White blood cells Flashcards
Name the 5 white blood cells
Monocytes Lymphocytes neutrophils eosinophils basophils
What is the biggest white blood cell?
Monocyte
Where do monocytes originate
bone marrow
What are the 3 functions of monocytes
Act as macrophages
Help other WBC to identify pathogens
Help during wound healing
Name the 3 types of lymphocytes
t cells, b cells and natural killer cells
Name the 4 types of t cells
Memory t cells
Helper t cells
Cytotoxic t cells
Suppresor t cells
What is the function of suppresor t lymphocytes
To suppress the immune system from killing noraml healthy cells
What is the function of T helper cells
Release cytokines that bring about the production of antibodies
What is the function of T memory cells
Remain after process to help the immune system react quicker if it experiences the same antigen again
What is the function of cytotoxic t cells
Release chemicals that kill incoming organisms
Where do T cells originate
The thymus
Where do B cells originate
Bone marrow
What is the function of b cells
To produce antibodies
Are b cells specialised or unspecialised?
Specialised - they bind to a specific antigen
What is the function of natural killer cells
To initiate cell death in infected cells
What WBC are the bodies first line of defence?
Neutrophils
Where are neutrophils found
IN the blood stream
how long do neutrophils live for
only a few hours
What is the function of neutrophils
Phagocytosis
Where are basophils found
skin and mucosa tissue
What is the function of basophils
Release histamine in order to activate the inflammatory response
Where are eosinophils formed
bone marrow
Where are eosinophils found
blood stream
What is the function of eosinophils
respond to parasitic worms and are involved in phagoicytosis
