He adjective quiescent , which comes from the Latin word quiescens, is used to qualify what, having the possibility of moving or operating on its own, is at rest . The concept is often used in the field of biology .
A quiescent cell , thus, it is in a physiological phase known as G0 . It's about a vegetative state, without cell division . Certain kinds of cells , like the neurons , they become quiescent when they reach maturity.
When a cell is in the G0 phase , does not replicate. The quiescent cell can become inactive if the organism does not require new cells (and, therefore, cell division is not needed). This period is temporary, since the cell resumes its activity and changes phase if there is a modification of the conditions. This means that the quiescent cells are prepared to return to the cell cycle, unlike the calls senescent cells (which are deteriorated or have already aged).
Quiescence also appears in certain insects . In this case, the quiescent animal interrupts its activity against an unfavorable framework, such as lack of food or extreme temperatures.
He quiescent insect adapts well to environment . This is a short term response as a subsistence mechanism.
A quiescent multiple myeloma Finally, it is a disorder linked to asymptomatic proliferation of plasma cells. This condition, depending on certain parameters, can lead to the development of a symptomatic multiple myeloma (a Cancer of plasma cells).
