Distension (spelled distention in many style regimens) generally refers to an enlargement, dilation, or ballooning effect. It may refer to: *

Abdominal distension Abdominal distension occurs when substances, such as air (gas) or fluid, accumulate in the abdomen causing its expansion. It is typically a symptom of an underlying disease or dysfunction in the body, rather than an illness in its own right. Pe ...

, typically a symptom of an underlying disease or dysfunction in the body, rather than an illness in its own right *

Gastric distension Gastric distention is the enlargement of the stomach, and can be due to a number of causes. Physiologic (normal) gastric distension occurs when eating. Distension of the upper stomach stimulates the secretion of stomach acid, while distension of t ...

, bloating of the stomach when air is pumped into it, as in a medical procedure * Distention of blood vessels under increased blood pressure; see

See also