Appendixs

Appendixs is not a standard plural form of the word appendix. The term appendix has two primary senses: an anatomical organ and a textual or document supplement. In anatomy, the appendix is a slender, wormlike tube attached to the cecum in the lower right abdomen. Its precise function is not fully understood, but it is thought to contribute to immune function and to harbor certain gut bacteria.

In medical contexts, the appendix can become inflamed, a condition known as appendicitis. Symptoms typically include abdominal pain, nausea, and fever. Treatment usually involves surgical removal of the appendix (appendectomy); antibiotics may be used in uncomplicated cases or when surgery is not immediately possible. Complications can include rupture and peritonitis, which require urgent care.

In writing, an appendix is material added at the end of a document to provide supplementary information that supports the main text, such as data tables, technical details, or source material. An appendix is usually referenced from the body of the document.

When forming the plural in English, appendices and appendixes are standard options, with regional preference influencing which form is preferred. The form appendixs is generally considered incorrect in formal writing and is avoided in most style guides.

Etymology: appendix comes from Latin appendix, meaning something that is hung on; the plural forms reflect Latin and English conventions.