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Why is the cell cycle shorter in epithelial cells than in liver or muscle cells?
Epithelial cells continuously undergo cell division to replenish the epithelial lining, hence their cell cycle is shorter. Liver and muscle cells typically do not undergo frequent cell division unless there's injury or growth requirement, leading to a longer cell cycle. Additionally, differences in gene expression and regulatory mechanisms can also contribute to the varying cell cycle durations.
What do liver cells do during mitosis?
During mitosis, liver cells undergo cell division to produce two identical daughter cells. This process allows the liver to regenerate and maintain its functionality. Liver cells replicate their DNA, distribute their chromosomes equally, and then divide to ensure the continual renewal of liver tissue.
In which cell there is no cell division?
In neurons. Also liver cells typically don't divide, but can start dividing if a serious damage is done to the liver.
Bob had a cyst removed from his liver The doctor told him the liver cells would grow back and repair the area These liver cells will conduct what to grow back?
The liver cells will undergo regeneration to grow back and repair the area where the cyst was removed. Liver cells have a high capacity to regenerate, allowing them to restore normal function to the liver after injury or surgery.
Do liver cells divide?
Yes, liver cells are capable of division. This process, known as mitosis, allows liver cells to regenerate and repair damage. However, the rate of cell division in the liver is lower compared to other tissues like skin or intestines.
Do liver cells also stop dividing after birth?
All cells will stop dividing when you die. When you're born, cells slow down the dividing, but don't completely stop.
How is the binucleate condition of liver cells explained?
The binucleate condition of liver cells is due to incomplete cytokinesis during cell division, resulting in the retention of two nuclei in a single cell. This allows for continued cell function and growth without the need for increased cell division. It is a unique adaptation that helps liver cells maintain their metabolic functions.
What is a nodular liver and cirrhosis of liver?
When there is damage to the liver, it attempts to repair itself. The remaining cells (mainly hepatocytes, but also oval cells) - undergo mitotic division in order to replace damaged or dead cells. This process is known as hyperplasia. When hyperplasia occurs in the liver, it results in nodular formations of new cells. A cirrhotic liver is an end-stage liver. It cannot be repaired, and if the person is to live they will need a transplant. A cirrhotic liver will be diffusely (all-over) covered with nodules, where the liver has attempted to regenerate. It will also have scar-tissue and fibrosis as a result of the damage to the liver.
Why does a skin cell divide more often than liver cell?
As far as I know, liver cells usually only undergo mitosis if the liver is damaged. You should check a few other sources though.
How do rbc's divide?
Red blood cells, or erythrocytes, do not undergo cell division as they lack a nucleus. They are produced by the bone marrow through a process called erythropoiesis, where hematopoietic stem cells differentiate and mature into erythrocytes. Once mature, red blood cells circulate in the bloodstream for about 120 days before being cleared by the spleen and liver.
These cells use mitosis to divide into two daughter cells?
Both plant and animal cells use mitosis to form two daughter cells. They are usually called soma (body) cells but there are some exceptions: nerve cells and liver cells. The liver cells can divide in the time of need.
Are hepatocytes labile or stable type cells?
Hepatocytes are labile cells, meaning they have the ability to regenerate and replicate in response to injury or damage. They are capable of self-renewal and rapid cell division to restore liver function.
