Blood part 2 (cells) Flashcards
(53 cards)
what is erythroblastosis fetalis
hemolytic disease of newborn
see immature RBC in sample of blood
when does erythroblastosis fetalis occus
when mother is (-) and fetus is (+)
if anti d antibodies cross placenta and enter fetus’s blood then what
rxn of aggulination followed hemolysis
how to prevent erythroblastosis fetalis
rhogam=anti d antibodies
passive immunization to prevent your own immune system from responding.
administered twice… at 20 wks if mom is Rh- and after birth if infant is Rh+
5 types of leukocytes from most to least commeon
neurophils, lymphocyte, monocyte, eosinophils, basophils
what are the 3 granulocytes
neutrophils, eosinophils, basophils
what are the 2 agranulocytes
lymphocyte, monocyte
what does granulocytes mean
the cell has granules
hemopoiesis def
process of how blood cells are formed in the body
what are most blood cells developed from
myeloid stem cellsw
what is the stem cell for all blood cell types
hemocytoblasts
what do lymphoid stem cells make, where does that mature?
lymphocyte and mature steps are not in bone marrow
Neutrophils size
med to large
neutrophils nuclus info
segmented nucleus, 3 to 5 segments
neutrophils function
phagocytosis
eosinophils size
med to small
eosinophils nuclus info
biolobed nucleus, 2 lobes
eosinophils function
phagocytosis,
anti inflammatory chemicals
basophils size
med to small
basophils nuclus info
bilobed nuclus, but is obscured by the dark staining granules
basophils function
phagocytosis
secrete histamine and heparin
histamine def
inflammatory chemical.
a vasodilator, increase blood flow to infected area and increase permeability of blood vessel wall to white blood cell
heparin def
prevent blood clotting
lymphocytes size
small to large