Erythroblast is a young cell that will soon become a mature Erythrocyte, as seen in Cells at Work!. Starting as a tiny cell chosen by the Hematopoietic Stem Cell, it spends its youth inside the red bone marrow. Here, it learns important skills, often getting lost or playing games like hide-and-seek. All Erythroblast cells stay in the marrow, growing with help and guidance from Macrophages. When it's time to "graduate," an Erythroblast loses its cell nucleus, turning into a true Erythrocyte ready to deliver oxygen. Erythroblast (later known as Erythrocyte AE3803) is especially known for getting lost and needing rescuing by White Blood Cell U-1146 during a dangerous attack by Pseudomonas Aeruginosa. Many fans enjoy drawing or imagining the childhood stories of this character.
Erythroblast looks like a young child to a teenager while living in the bone marrow. They do not have their classic Erythrocyte look yet because they still have a cell nucleus. Erythroblast wears a student-like outfit and always carries a playful, energetic vibe during training.
Erythroblast is playful and curious, often enjoying games in the marrow with other Erythroblasts. However, she also tends to get lost easily and sometimes feels unsure of herself. Her playful nature helps her bond with others, but her confusion can lead to trouble.
Erythroblast starts life as a chosen cell from the Hematopoietic Stem Cell. Erythroblast spends all her early days inside the red bone marrow, learning from Macrophages on how to become a proper Erythrocyte.
While still an Erythroblast, she mainly has the ability to learn and train. Only after losing her nucleus does she gain the full power to carry oxygen in the body like a mature Erythrocyte.
- Learns from Macrophages, who teach and guide her.
- Saved by White Blood Cell U-1146 (later known as Neutrophil) during her training.
- Grows up with other Erythroblast trainees inside the marrow.
- Most fan art shows Erythroblast's childhood moments.
- In "Cells at Work!" the process of losing the cell nucleus was shown as a graduation ceremony, like a nurse's capping.
Chosen by the Hematopoietic Stem Cell
Erythroblast is selected as a future blood cell from the Hematopoietic Stem Cell. She enters the red bone marrow maze, where she starts her journey of training and growing.
Training Inside the Bone Marrow
Erythroblast spends her days training in the marrow with her friends. They play games like hide-and-seek and maze running, which help them practice and learn their future roles. All of their activities happen under the watchful care of Macrophages, who work as teachers and guardians.
Facing Danger and Friendship with Neutrophil
Erythroblast is known for getting lost, and one day during training, she wanders into danger. She is attacked by Pseudomonas Aeruginosa, a harmful bacteria. At this crucial moment, White Blood Cell U-1146 (then still a Neutrophilic Myelocyte) appears and saves her. This event marks the start of their meaningful friendship.
Graduation and Becoming a Real Erythrocyte
When an Erythroblast is ready, she must shed her cell nucleus. Macrophage does this by removing a cap-like object, and then swallows the leftover nucleus. Once her nucleus is gone, Erythroblast officially becomes a mature Erythrocyte who can leave the marrow and travel the blood vessels to deliver oxygen.
- The process of turning into a mature Erythrocyte is very important, as it allows her to carry much more oxygen, even though she loses the ability to divide or repair herself.
- The events are based on episodes from the anime and manga "Cells at Work!".
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