Erythropoisis Flashcards
1
Q
Erythropoises Stages
A
Mesoblastic
Hepatic
Medullary
2
Q
Mesoblastic Stage
A
Mesoderm of yolk sac
Intravascular erth
3
Q
Hepatic
A
5th week- liver, spleen
4
Q
Medullary
A
5 month - bones
Extramedullary aftetbirth is abnormal
5
Q
Erythpoi Stages
A
Stem cell
Progenitor
Precursor
Mature. Baso- polychrom- acido
Reduc in RNA
6
Q
Stem cell
A
Plurri and commited- myleoid. Lymphoid
7
Q
Progenitor
A
BFR-E. Blast—
CFU-E colony—blast
8
Q
Precursor
A
Blast- id in marow
Normobast. Pro, early, interm,late
9
Q
Pronormoblast
A
Many nucleoi Nucleus promi No Hb Baso- rna, polyribo, protein Large, oval Mitosis Less cyto 15-20 um
10
Q
Early Normo
A
1st erythroblast 12-18 Baso erthblast...blue Hetero-violet, euchro-pink...wheel spokes Mitosis Hb appears
11
Q
Intermediate normo
A
10-15 Cyto- blue to pink..polychromatic Nucleus reduced No nuclie More Hb- acido Less mitosis Heterochro clump-chekerboard
12
Q
Late normo
A
7-12 No mitosis Eosnophilic - orthochromatic ertblst Pyktonic - cartwheel- nucleus degenrt Hb complete
