Anode
Anode
Anode (/ˈænoʊd/) is a term widely used in the field of electrochemistry, electronics, and physics. The term originates from the Greek words 'anodos', meaning 'way up'.
Definition
An anode is the electrode in an electrical device where current flows in from outside. In a galvanic cell, the anode is the electrode at which oxidation occurs.
Usage in Medicine
In the medical field, anodes are used in various applications such as radiology, electrocardiography, and electroconvulsive therapy.
Radiology
In radiology, the anode is a part of an X-ray tube. It serves as the positive electrode and is the location where X-rays are produced.
Electrocardiography
In electrocardiography, the anode is often referred to as the positive electrode. It is used to measure the electrical activity of the heart.
Electroconvulsive Therapy
In electroconvulsive therapy, the anode is used as the positive electrode. It is placed on the patient's head to deliver a controlled amount of electrical current.
Related Terms
- Cathode: The electrode in an electrical device where current flows out to the outside. In a galvanic cell, the cathode is the electrode at which reduction occurs.
- Electrode: A conductor through which electricity enters or leaves an object, substance, or region.
- Galvanic Cell: An electrochemical cell that derives electrical energy from spontaneous redox reactions taking place within the cell.
External links
- Medical encyclopedia article on Anode
- Wikipedia's article - Anode
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