Permanent cells are cells that are incapable of regeneration. These cells are considered to be terminally differentiated and non-proliferative in postnatal life. This includes neurons, heart cells, skeletal muscle cells and red blood cells. Although these cells are considered permanent in that they neither reproduce nor transform into other cells, this does not mean that the body cannot create new versions of these cells. For instance, structures in the bone marrow produce new red blood cells constantly, while skeletal muscle damage can be repaired by underlying satellite cells, which fuse to become a new skeletal muscle cell.
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| - خلايا دائمة (ar)
- Permanent cell (en)
- Célula permanente (pt)
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| - الخلايا الدائمة هي خلايا غير قادرة على التكاثر. هذا يتضمن خلايا الدماغ، الاعصاب، خلايا القلب، خلايا العضلات الهيكلية، وكرات الدم الحمراء.. (ar)
- Permanent cells are cells that are incapable of regeneration. These cells are considered to be terminally differentiated and non-proliferative in postnatal life. This includes neurons, heart cells, skeletal muscle cells and red blood cells. Although these cells are considered permanent in that they neither reproduce nor transform into other cells, this does not mean that the body cannot create new versions of these cells. For instance, structures in the bone marrow produce new red blood cells constantly, while skeletal muscle damage can be repaired by underlying satellite cells, which fuse to become a new skeletal muscle cell. (en)
- As células permanentes são células que são incapazes de regeneração. Essas células são consideradas terminalmente diferenciadas e não proliferativas na vida pós-natal. Isso inclui neurônios, células cardíacas, células do músculo esquelético e glóbulos vermelhos. Embora essas células sejam consideradas permanentes, pois não se reproduzem nem se transformam em outras células, isso não significa que o corpo não possa criar novas versões dessas células. Por exemplo, as estruturas da medula óssea produzem novos glóbulos vermelhos constantemente, enquanto o dano ao músculo esquelético pode ser reparado por células satélite subjacentes, que se fundem para se tornar uma nova célula do músculo esquelético. (pt)
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| - الخلايا الدائمة هي خلايا غير قادرة على التكاثر. هذا يتضمن خلايا الدماغ، الاعصاب، خلايا القلب، خلايا العضلات الهيكلية، وكرات الدم الحمراء.. (ar)
- Permanent cells are cells that are incapable of regeneration. These cells are considered to be terminally differentiated and non-proliferative in postnatal life. This includes neurons, heart cells, skeletal muscle cells and red blood cells. Although these cells are considered permanent in that they neither reproduce nor transform into other cells, this does not mean that the body cannot create new versions of these cells. For instance, structures in the bone marrow produce new red blood cells constantly, while skeletal muscle damage can be repaired by underlying satellite cells, which fuse to become a new skeletal muscle cell. Disease and virology studies can use permanent cells to maintain cell count and accurately quantify the effects of vaccines. Some embryology studies also use permanent cells to avoid harvesting embryonic cells from pregnant animals; since the cells are permanent, they may be harvested at a later age when an animal is fully developed. (en)
- As células permanentes são células que são incapazes de regeneração. Essas células são consideradas terminalmente diferenciadas e não proliferativas na vida pós-natal. Isso inclui neurônios, células cardíacas, células do músculo esquelético e glóbulos vermelhos. Embora essas células sejam consideradas permanentes, pois não se reproduzem nem se transformam em outras células, isso não significa que o corpo não possa criar novas versões dessas células. Por exemplo, as estruturas da medula óssea produzem novos glóbulos vermelhos constantemente, enquanto o dano ao músculo esquelético pode ser reparado por células satélite subjacentes, que se fundem para se tornar uma nova célula do músculo esquelético. Os estudos de doenças e virologia podem usar células permanentes para manter a contagem de células e quantificar com precisão os efeitos das vacinas. Alguns estudos de embriologia também usam células permanentes para evitar a colheita de células embrionárias de animais grávidas; como as células são permanentes, elas podem ser colhidas em uma idade posterior, quando o animal estiver totalmente desenvolvido. (pt)
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