leucocytes and inflammation Flashcards
What is haematopoeisis?
production of blood cells
What is leucopoeisis?
production of leucocytes
What produces leucocytes?
common leucocyte precursor
What are the two major leucocyte lineages?
lymphoid and myeloid
Describe the lymphoids
small, bland-looking cells
Describe myeloid cells
- larger cells
- most have prominent cytoplasmic granules (granulocytes)
What are the functions of macrophages?
- phagocytosis and activation of bactericidal mechanisms
- antigen presentation
What are the functions of dendritic cells?
- antigen uptake in peripheral sites
- antigen presentation in lymph nodes
What are the functions of neutrophils ?
- phagocytosis and activation of bactericidal mechanisms
What are the functions of eosinophils?
killing of antibody-coated parasites
What are the functions of mast cells?
- release granules containing histamine and othr active agents
What are the type of cells within the lymphoid lineage?
- T cells
- B cells
- Natural killer (NK) cells
What do B cells do?
produce antibodies
What are the two types of t cells?
- CD8 T cells
- CD4 (helper) T cells
What do CD8 T cells do?
important in dealing with intracellular infection (viral infection)