Hypertrophy is an increase in the size of any tissue or organ, which is associated with an increase in the size of its constituent cells, and not with their increased reproduction. This happens during normal tissue growth or the formation of a tumor in it.
Muscle hypertrophy occurs in response to an increase in their load. Muscle cells increase in size to compensate for the increased load.
Unlike hypertrophy, with hyperplasia there is an increase in the number of cells in the tissue, not their size.
Thus, hypertrophy is characterized by the enlargement of cells of a tissue or organ, while with hyperplasia the number of cells increases. Both of these processes lead to an increase in the size of the tissue or organ.
Hypertrophy is an increase in the size of a tissue or organ in response to the increased stress it experiences. With hypertrophy, there is an increase in the constituent cells, and not their increased reproduction. This is in contrast to hyperplasia, in which there is an increase in both cell size and number.
Hypertrophy can occur in a variety of tissues, including muscle, heart, liver and kidneys, as well as other organs. For example, muscle hypertrophy can occur in response to physical activity or when performing certain exercises. Cardiac hypertrophy can be caused by increased workload on the heart, such as from physical activity or from medical conditions such as hypertension.
One of the main factors contributing to hypertrophy is increased stress on the tissue or organ. For example, increasing the amount of work a muscle does can cause it to hypertrophy. Hypertrophy can also occur in response to changes in hormonal levels or changes in blood composition, such as increased oxygen levels or decreased carbon dioxide levels.
In general, hypertrophy is an adaptive process that allows the body to adapt to changing environmental conditions. However, if hypertrophy occurs in tissues or organs that are not designed to carry increased load, this can lead to various diseases and pathologies. Therefore, it is important to control the load on tissues and organs in order to avoid the development of hypertrophy and associated diseases.