Question

Explain the process of erythropoiesis. Make sure to touch on how the process is being regulated *

Answer 1

3) STAGES OF ERYTHROPOIESIS SIZE (Olom) STAGES CELL CYTOPLASM NUCLEUS MITOSIS STAINING HAEMO GLOBIN Haemmocytoblast 19-23 very big; occupies Rim all round Showa almost the entire the nuclear; Abeemt mitoris cell with open •Life span deep baoophilic Chromatim, contai -7days - ning 4-5 mueldoli; dees Basophilic & Occupies 3/4th Prverythroblast 15 - 20 slightly Showa Abeemt of the cell volume em amount; active Olife span 2-3 nucleoli; deep bacophilic mitocals - 7 days chromatim opem. more 3) Early Normoblast 14-16 Absent • life span seze decreasen, Further more abnemce of - ase in nucleole, amount; chromatin less basophilic condemoen Active Mitoais Idays

CELL STAGES NUCLEUS Size(lim) CYTOPLASM STATNING HAEMOGLOBIN MITOSIS Nucleus 020 Marked Starla 10-14 4. Intermediate Normoblast .) LifeSpam- 7 further deereare, cytoplacoms appearing chromatin further bolychromatop Staining Showa active mitoris condem der Linic 5. Late Normoblast life Spam - 7 Early 8-10 Nucleus Increased Further verry stopa Small, chromatin narkedly mereace mitotic dot cart im amount division wheel appearance (undergoes maturation) Nueleus degemaraten Further ineren Increased Abaent. becomes deeply En amount undergoen maturation) stained; by moted 6) Late 7-8 -dic, Leas basophilic

STAGES CELL SIZE(llon) NUCLEUS CYTO PLASM STAINING HAEMOGLOBIN MITOSIS 6. Reticulocyte 7-8 OLife Spam No muelean, Reman to of RNA butenent. Grood amo Acidophilic - unt of Abəemt. haeonoglobin in (undergoes maturation 2 days 7. Erythrocyte 7.2-7.4 ) Life Spam- completely abront Acidophilic amo Large haemoglobin (Matured) most of Abaent & day?

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