Here's a breakdown:
Hypertrophy
* Mechanism: Enlargement of existing cells
* Example: Muscle growth after weightlifting
Hyperplasia
* Mechanism: Increase in the number of cells
* Example: Skin calluses forming due to repeated friction
Causes of Hypertrophy
Hypertrophy can be caused by various factors, including:
* Increased workload: Muscle hypertrophy occurs due to increased physical demands like weightlifting.
* Hormonal stimulation: The heart undergoes hypertrophy due to increased hormone production.
* Disease: Hypertrophy can occur in the heart, kidneys, or other organs due to disease processes.
Types of Hypertrophy
Hypertrophy can be broadly categorized into two types:
* Physiological hypertrophy: This is a normal, adaptive response to increased workload or hormonal stimulation.
* Pathological hypertrophy: This is an abnormal increase in cell size due to disease or other pathological conditions.
Examples of Hypertrophy
* Muscle hypertrophy: Increased muscle size due to weightlifting or other exercise.
* Cardiac hypertrophy: Enlargement of the heart muscle due to high blood pressure or other heart conditions.
* Compensatory hypertrophy: Enlargement of one kidney after the other is removed.
It's important to note that hypertrophy is a complex biological process and can be influenced by various factors. If you are experiencing any concerns related to hypertrophy, it is best to consult with a healthcare professional.