Expand

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Expand

Expand (/ɪkˈspænd/), from the Latin expandere meaning "to spread out", is a term used in various fields of medicine. It generally refers to the process of becoming larger or more extensive.

In the context of pulmonology, expand refers to the process by which the lungs increase in volume to allow for the intake of oxygen. This is a crucial part of the respiratory cycle.

In cardiology, the term can be used to describe the dilation of blood vessels, such as in the case of vasodilation. This is a key process in regulating blood pressure and ensuring adequate blood flow to the body's tissues.

Expand can also refer to the growth or enlargement of a tissue or organ, such as in the case of tumor expansion. This is often a key factor in the progression of diseases such as cancer.

Related terms include expansion, which refers to the process or result of expanding, and expansive, which describes something that is capable of expanding.

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