Expansion

Expansion (medicine)

Expansion (pronounced: /ɪkˈspanʃən/) is a term used in various fields of medicine to denote the process of increasing in size or volume. It is derived from the Latin word 'expansio', meaning 'a spreading out'.

In Pulmonology

In pulmonology, expansion refers to the increase in lung volume during the process of inhalation. This is facilitated by the diaphragm and the intercostal muscles.

In Cardiology

In cardiology, expansion is often used to describe the dilation or enlargement of blood vessels, such as in vasodilation. This can be a normal physiological response or a pathological condition.

In Oncology

In oncology, expansion can refer to the growth and spread of a tumor or cancer cells. This is often used in the context of tumor expansion, which can be a sign of disease progression.

In Orthopedics

In orthopedics, expansion can refer to the process of increasing the size of a bone or joint, often through surgical procedures such as bone grafting or joint replacement.

Related Terms

• Inhalation
• Diaphragm
• Intercostal muscles
• Vasodilation
• Tumor
• Cancer
• Bone grafting
• Joint replacement

External links

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

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