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Erythrocytes basic Cheat Sheet (DRAFT) by

All about erythrocytes

This is a draft cheat sheet. It is a work in progress and is not finished yet.

Charac­ter­istics

•Number in per ml blood: 5 million
•Origin: Reddish bone marrow afyer birth. In embryonic stage, they are produced from liver and spleen.
•Life span: 120 days
•Origin number per second: 20 lacs or 2 million
 

Structures

•Shape: Round and biconcave
•Presence of nucleus: During their origin, the contain nucleus. Within few minutes, it is replaced by haemog­lobin.
•Other cellular organelle: Due to the presence of haemog­lobin otehr cellular organelles are absent.
•Presence of protein: Globulin