Hema-Erythropoiesis & RBC maturation Flashcards
N:C ratio is highly dependent on ____
nuclear size
High N:C ratio
> 50% of the cell is occupied by the nucleus
Low N:C ratio
<50% of the cell is occupied by the nucleus
more RNA
Basophilia
Due to acidic components
Basophilia
due to basic components
Acidophilia
more hemoglobin
Acidophilia
N:C ratio 8:1
Rubriblast
“wheel spoke”
Prorubricyte /
Basophilic normoblast /
basophilic erythroblast
aka EARLY
Rubriblast / Pronormoblast / Proerythroblast
aka INTERMEDIATE
Rubricyte / Polychromatophilic normoblast / Polychromatophilic erythroblast
the enveloped, excruded nucleus is called a
Pyrenocyte
aka LATE
Metarubricyte / Orthochromic normoblast / Orthochromic erythroblast
N:C ratio 4:1
Rubricyte / Polychromatophilic normoblast / Polychromatophilic erythroblast
Muddy Gray Cytoplasm
Rubricyte / Polychromatophilic normoblast / Polychromatophilic erythroblast
Salmon Pink cytoplasm
Metarubricyte / Orthochromic normoblast / Orthochromic erythroblast
has Residual RNA
Reticulocyte
last stage with nucleus
Metarubricyte / Orthochromic normoblast / Orthochromic erythroblast
last stage of hemoglobinization
Reticulocyte
Reticulocyte other names
Polychromatophilic erythrocyte / Diffusely Basophilic erythrocyte
Dense, Pyknotic nucelus
Metarubricyte / Orthochromic normoblast / Orthochromic erythroblast
lifespan of Reticulocyte in the circulation
1 day
Erythrocyte is aka
Mature RBC
Mature RBC thickness
1.5-2.5 um
lifespan of Mature RBC
120 days
Eccentric nucleus
Rubricyte / Polychromatophilic normoblast / Polychromatophilic erythroblast
Checkerboard appearance
Rubricyte / Polychromatophilic normoblast / Polychromatophilic erythroblast
also called nucleated RBC & Acidophilic normoblast
Metarubricyte / Orthochromic normoblast / Orthochromic erythroblast
N:C ratio for Metarubricyte
2:1
more apparent hemoglobin synthesis
Rubricyte / Polychromatophilic normoblast / Polychromatophilic erythroblast
N:C ratio of Prorubricyte
6:1
earliest recognizable precursor
Prorubricyte
last stage with nucleolus then later disappears in this stage
Prorubricyte