Haem Flashcards
what is blood made of
- plasma
- RBC
- WBC
- platlets
What is blood serum
what is left after the clotting factors are removed from the plasma
what is in blood serum
- glucose
- electrolytes (eg. Na/K)
- proteins (eg. immunoglobulins/hormones)
What do all the cells in the blood start off as
Pluripotent Haematopoietic Stem Cells
what do Pluripotent Haematopoietic Stem Cells initially become
- myeloid stem cells
- lymphoid stem cells
- dendritic cells
what do myeloid stem cells become
- RBCs
- Platlets
- Myeloblasts
what do Myeloblast cells become
- monocytes
- neutrophils
- eosinophils
mast cells - basophils
what do lymphoid stem cells become
lymphoblast cells
what do lymphoblast cells become
- t lymphocytes
- b lymphocytes
what is the average life span of platlets
10 days
what is the average life span of a RBC
3 mths
what are B lymphocyte cells differentiated into
- Plasma cells
- Memory B cells
what are T lymphocyte cells differentiated into
- CD4 cells (T helper cells)
- CD8 cells (cytotoxic T cells)
- Natural killer cells
what does ‘anisocytosis’ mean
a variation in size of RBC
describe a target cell
cells with a central pigmented area surrounded by a pale area