Conductivity
Conductivity (medicine)
Conductivity (pronounced: /kənˌdʌkˈtɪvɪti/) is a fundamental concept in the field of medicine and biology, particularly in the study of physiology and neuroscience.
Etymology
The term "conductivity" originates from the Latin word "conductus", which means "to lead or guide". In the medical context, it refers to the ability of a substance or body to transmit or conduct an electric current or heat.
Definition
In medicine, conductivity is the measure of a tissue's or cell's ability to transmit electrical impulses. This property is crucial in many physiological processes, including the transmission of nerve impulses and the regulation of heart rhythm.
Related Terms
- Electrical Conductivity: This is a measure of a material's ability to conduct an electric current. In the human body, this is particularly important in the functioning of the nervous system and the cardiovascular system.
- Thermal Conductivity: This refers to the rate at which heat passes through a specified material. In the human body, this is important for maintaining body temperature.
- Ionic Conductivity: This is the movement of ions (charged particles) from one point to another. This process is crucial in the transmission of nerve impulses and the contraction of muscles.
- Nerve Conduction: This is the process by which electrical impulses are transmitted along nerve fibers. It is a key aspect of the functioning of the nervous system.
- Cardiac Conduction: This is the process by which electrical signals are transmitted through the heart, triggering the heart muscles to contract and pump blood.
See Also
External links
- Medical encyclopedia article on Conductivity
- Wikipedia's article - Conductivity
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