Appendix: meaning, definitions and examples

A small tube attached to the large intestine in the human body, which can become inflamed and cause appendicitis.

• The doctor said his appendix needed to be removed immediately.
• Appendicitis occurs when the appendix becomes swollen.

An organ or body part that has lost its original function over the course of evolution.

• The appendix is often cited as an example of a vestigial organ.
• Whales have vestigial pelvic bones that are remnants from their land-dwelling ancestors.

The medical term for the appendix, referencing its worm-like shape.

• The surgeon carefully examined the vermiform appendix.
• In medical terms, the appendix is known as the vermiform appendix.

Typically found at the end of books or documents, used to provide additional information that is relevant but not central to the main content. Often used in academic or technical writing.

• The appendix includes detailed statistical tables for reference.
• Please refer to the appendix for the raw data used in the study.

Used to provide additional information that enhances or complements the main text. It can be used in various types of writings, including academic papers, books, or reports.

• The supplement includes case studies that illustrate the main points discussed in the book.
• A supplementary guide was provided to help understand the complex theories.

Used to indicate an addition or update to a document, often after the main text has been completed. Commonly seen in contracts, reports, or legal documents.

• An addendum was added to the contract to include the new payment terms.
• The report was finalized, but an addendum was later issued to correct some errors.