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amylase

An enzyme made mainly by the pancreas and salivary glands that breaks down starch; its blood level is a lab test.

AM-uh-lays noun

What it means

A digestive enzyme that splits starches into sugars. The salivary glands start this in the mouth and the pancreasPAN-kree-usA long, flat gland behind the stomach that makes digestive enzymes and the hormones insulin and glucagon.pan- allcreas fleshFull entry continues it in the small intestine. When the pancreas is inflamed or its duct is blocked, amylase leaks into the blood and the level rises. It is usually checked together with lipase, which is more specific to the pancreas.

For the nurse

Report a high level along with severe upper belly pain that spreads to the back. Alcohol and some drugs can raise it.

At a glance

Normal rangeAbout 30–125 U/L [0.5–2.1 µkat/L]; each lab sets its own range.
Spanishamilasa
Also writtenamylase level, serum amylase

Related terms

pancreas

A long, flat gland behind the stomach that makes digestive enzymes and the hormones insulin and glucagon.

gastrointestinal tract

The long tube that food passes through, from the mouth to the anus.

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