Activation

Activation (medicine)

Activation (/ækˌtɪˈveɪʃən/), in the context of medicine, refers to the process by which certain biological mechanisms are stimulated to perform their functions. The term is derived from the Latin word 'activare', meaning 'to set in motion'.

Types of Activation

There are several types of activation in medicine, including:

• Enzyme Activation: This refers to the process by which an enzyme is stimulated to increase its functional activity.

• Immune Activation: This is the process by which the immune system is stimulated to respond to a pathogen or foreign substance.

• Gene Activation: This refers to the process by which a gene is stimulated to produce a protein or other gene product.

Related Terms

• Inhibition (medicine): This is the opposite of activation, referring to the process by which biological mechanisms are suppressed or slowed down.

• Catalyst (chemistry): In the context of enzyme activation, a catalyst is a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.

• Antigen (immunology): In the context of immune activation, an antigen is a substance that stimulates an immune response, particularly the production of antibodies.

• Promoter (genetics): In the context of gene activation, a promoter is a region of DNA that initiates transcription of a particular gene.

External links

• Medical encyclopedia article on Activation
• Wikipedia's article - Activation

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