Hematopoiesis Flashcards
What is the lifespan of platelets?
7 - 10 days
What is the lifespan of granulocytes?
6 - 8 hours
What cell does G-CSF promote the formation of?
Granulocytes
What cell does IL-3 promote the formation of?
basophil
What cell does IL-5 promote the formation of?
Eosinophil
What cell does M-CSF promote the formation of?
monocyte
Which two interluekins are especially important in the thymus?
IL2 and IL7
Which interleukin promotes the formation of B-cells?
IL-7
Which interleukin promotes the formation of NK cells?
IL-15
G-CSF can be released by what cell type? Where?
macrophages
sites of inflammation
What specific cell of the kidney can produce EPO? What triggers this event?
peritubular interstitial cell
hypoxia
What drug induces a mobilization of bone marrow stem cells to the peripheral circulation?
G-CSF
GM-CSF stimulates the recovery of what cell type? What is the draw back of GM-CSF?
Myeloid
more toxic than G-CSF
What two places can extramedullary hematopoiesis take place?
spleen and liver
What is another name for a rubriblast? Does this cell stain basophilic or acidophilic?
pro-erythroblast
basophilic
What cell type comes after a rubriblast?
Prorubricyte
What cell type comes after a prorubricyte?
rubricyte
What cell type comes after a rubricyte?
Metarubricyte
What cell type comes after a metarubricyte?
Reticulocyte
What does the reddish pink stain of an erythrocyte indicate?
hemoglobinization is complete
What is the first cell of granulopoiesis?
stem cell
What cell type comes after a stem cell during granulopoiesis?
myeloblast
What cell type comes after a myeloblast?
promyelocyte
What cell type comes after a promyelocyte?
myelocyte
What cell type comes after a myelocyte?
metamyelocyte
What cell type comes after a metamyelocyte?
band cell
What are macrophages in loose connective tissue called?
Histiocytes