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Author Question: Describe the nuclear and cytoplasmic morphologic changes in erythrocytes during maturation. What ... (Read 55 times)

colton

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on: Jun 25, 2018
Describe the nuclear and cytoplasmic morphologic changes in erythrocytes during maturation.
 
  What will be an ideal response?

Question 2

Match the following characteristics with the appropriate stage of maturing erythrocytes:
 
  a. Erythrocyte
  b. Pronormoblast
  c. Polychromatophilic normoblast
  d. Reticulocyte
  e. Basophilic normoblast
  f. Orthochromic normoblast
 
  _____ Earliest morphologically recognizable erythrocytic cell
  _____ First visible appearance of hemoglobin
  _____ Stage when the nucleus becomes pyknotic and is extruded
  _____ First stage without a nucleus
  _____ First stage without ribosomes
  _____ Last stage capable of mitosis


Meganchabluk

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Reply #1 on: Jun 25, 2018
Answer to Question 1

Answer: As erythrocytes mature, the N:C ratios decrease progressively, the nucleus undergoes progressive chromatin clumping, the nucleus undergoes progressive decrease in size and is eventually extruded, and the cytoplasm begins as basophilic and progressively becomes acidophilic.

Answer to Question 2

Answer: b, e, f, d, a, c


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