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appendix

A small, finger-shaped pouch attached to the first part of the large intestine, in the lower right abdomen.

uh-PEN-diks noun

What it means

A narrow tube, closed at one end, that hangs from the start of the colon. When it becomes blocked and infected (appendicitis), pain often starts around the belly button and moves to the lower right side, with nausea, loss of appetite and fever. An infected appendix can burst and spread infection through the abdomen, so it is usually removed by surgery (appendectomy).

For the nurse

In a client with possible appendicitis, do not put heat on the abdomen or give laxatives or enemas, which can make it burst. Report pain that suddenly goes away, then gets worse and spreads, since it can mean the appendix has burst.

At a glance

Spanishapéndice
Also writtenvermiform appendix

Related terms

gastrointestinal

Having to do with the stomach and intestines, or with the whole digestive tract from the mouth to the anus.

postoperative

Describing the time after surgery, from the end of the operation until recovery.

rectum

The last part of the large intestine, between the colon and the anus, where stool is held until it leaves the body.

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