Maturation Stages Flashcards
Cell size of 14-24 um
Promyelocyte
cell size of 15-20 um
Myelobast
cell size of 12-18 um
Myelocyte
cell size of 10-15 um
Band or Metamyelocyte
Nucleus:
shape: round to oval
location: central
chromatin: fine
nucleoli: 2-5
Blast
Nucleus:
shape: round to oval
location: central
chromatin: fine, but slightly coarser than blast
nucleoli: 1-3
Promyelocyte
Nucleus:
shape: round to oval
location: slightly eccentric
chromatin: coarse and more condensed
nucleoli: usually not visible
Myelocyte or eosinophilic myelocyte
Nucleus:
shape: kidney bean shaped
location: eccentric
chromatin: moderately clumped
nucleoli: not visible
Metamyelocyte
Nucleus:
shape: U shape or S shape
location: eccentric
chromatin: coarse and clumped
nucleoli: not visible
Band
Nucleus:
shape: kidney bean shaped
location: eccentric
chromatin: coarse,clumped
nucleoli: not visible
Eosinophilic metamyelocyte
Cytoplasm
colourless,cream colores
granules:
few primary
many pale orange to dark orange secondary
eosinophilic metamyelocyte
Cytoplasm
colourless to pink
granules:
-few to moderate Primary
-variable number of secondary
Eosinophilic Myelocyte
Cytoplasm
colourless to pink
granules:
few to moderate primary
variable secondary
Eosinophilic myelocyte
Cytoplasm
pale pink to colourless
granules:
few primary
abundant secondary
Band
Cytoplasm
pale pink to cream coloured to colourless
granules:
few primary
many secondary
Metamyelocyte