Substance
Substance
Substance (/ˈsʌbstəns/) is a term used in various fields of medicine to denote a particular kind of matter with uniform properties. The term has its roots in the Latin word "substantia", meaning 'essence, material'.
Medical Definition
In the medical field, a substance can refer to a drug, chemical, poison, or other matter that has an effect on the body. This can include pharmaceutical drugs, biological agents, toxins, and other chemicals.
Related Terms
- Drug: A substance used to treat, cure, or prevent disease.
- Toxin: A harmful substance produced within living cells or organisms.
- Chemical: A substance produced by or used in a chemical process.
- Biological Agent: A substance that can cause disease or harm to living organisms.
Etymology
The term 'substance' comes from the Latin word 'substantia', which means 'essence, material'. It was first used in the medical context in the 14th century.
Pronunciation
Substance is pronounced as /ˈsʌbstəns/.
See Also
External links
- Medical encyclopedia article on Substance
- Wikipedia's article - Substance
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