haemopoiesis Flashcards
types of white blood cells
granulocytes
monocytes
lymphocytes
what is the nucleated precursor between myeloblast and neutrophil
myleocytes
what are the development events of haemopoiesis
self renewal proliferation differentiation maturation apoptosis
what cells are affected in a myeloid cancer
RBC
granulocytes
monocytes
what germ layer do stem cells originate from
mesoderm
when are the first circulating projinators seen
as early as week 5
what is the first site of erythroid activity and when does it stop here
yolk sac stops at week 10
when does the liver start haemopoiesis in embryo
starts by week 6
when does the bone marrow start haemopoiesis in embryo
by week 16
where is marrow sampled from in adult
posterior illiac crest
where is marrow sampled in child
tibial marrow
what regulaets megakaryocyte development and what produces it
thrombopoietin and liver- thrombocytopenia in liver disease
what test is used to identify lineage
immunophenotyping
what type of cells is immunophenotyping used for
lymphoid cells