Labile cell

Cell that multiplies constantly throughout life

In cellular biology, labile cells are cells that continuously multiply and divide throughout life. Labile cells replace the cells that are lost from the body. When injured, labile cells are repaired rapidly due to an aggressive TR response. This continual division of labile cells allows them to reproduce new stem cells and replace functional cells that are lost in the body. Functional cells may be lost through necrosis, which is the premature death of cells caused by environmental disturbances, such as diseases or injuries. Functional cells may also need to be replaced after undergoing apoptosis, which is the programmed death of cells that occurs normally as part of an organism's development. Labile cells continually regenerate by undergoing mitosis and are one of three types of cells that are involved in cell division, classified by their regenerative capacity. The other two cell types include stable cells and permanent cells. Each of these three cell types respond to injuries to their corresponding tissues differently. Stable cells, unlike labile cells, are typically not dividing and only do so when an injury occurs. Permanent cells are not capable of division after maturing.

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