vermiform appendix

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 [ah-pen´diks] (pl. appen´dices, appendixes) (L.)
1. a slender outgrowth or appendage.
2. a small appendage near the juncture of the small intestine and the large intestine (ileocecal valve). An apparently useless structure, it can be the source of a serious illness, appendicitis. Called also vermiform appendix. adj., adj appendic´eal.
vermiform appendix appendix (def. 2).


, gen.


, pl.




(ă-pen'diks, -di-sis, -di-sēs, -dik-sĕz),
1. An appendage or appendixlike structure.
2. A wormlike intestinal diverticulum extending from the blind end of the cecum; it varies in length and ends in a blind extremity. Synonym(s): appendix vermiformis [TA], appendix ceci, processus vermiformis, vermiform appendage, vermiform appendix, vermiform process, vermix
[L. appendage, fr. ap-pendo, to hang something on]

vermiform appendix

A narrow, tubelike sac in some mammals, including humans, that projects from the cecum of the large intestine. Also called vermiform process.

vermiform appendix

Etymology: L, vermis + forma, form, appendix, appendage
a wormlike blunt process extending from the cecum. Its length varies from 7 to 15 cm, and its diameter is about 1 cm. Also called appendix vermiformis, cecal appendix, mesoappendix. See also appendicitis.

ver·mi·form ap·pen·dix

(vĕr'mi-fōrm ă-pen'diks)
A wormlike intestinal diverticulum extending from the blind end of the cecum; it varies in length and ends in a blind extremity.
Synonym(s): appendix vermiformis [TA] .

vermiform appendix


vermiform appendix


Patient discussion about vermiform appendix

Q. What Causes Acute Appendicitis? I've heard that appendicitis is a very common situation. What causes it to happen? Is there a way to avoid it?

A. Appendicitis is caused by an infection of the appendix, usually from bacterias that are already located in the abdomen. It is not a situation that can be avoided and can occur in a high prevalence in the population.

More discussions about vermiform appendix
References in periodicals archive ?
Investigation and analysis of the position, ubication, length and embryology of the vermiform appendix.
Vermiform appendix performs some functions related to gastrointestinal tract, the main function being immunological.
Histopathology of Vermiform appendix showed a tumor at the tip of the appendix with clear margins of 6mm, composed of small glandular acini and individual cells with eosinophilic and focally granular cytoplasm occupying the submucosa (Figure-1 and 2).
Mucinous cyst adenoma is a rare cystic neoplasm of the vermiform appendix characterized by villous adenomatous changes of the appendicular epithelium associated with mucin filled lumen.
Mucinous tumors of the vermiform appendix and ovary, and pseudomyxoma peritonei: histogenetic implications of cytokeratin 7 expression.
Since then an inguinal hernia containing the vermiform appendix, whether it be inflamed or not inflamed, is given the eponymous name "Amyand's hernia".
Primary mucinous adenocarcinoma of the vermiform appendix with high-grade microsatellite instability.
Amyand's hernia is said to be rare type of hernia, where content of the hernial sac is vermiform appendix.
The chronic inflammatory and obliterative reactions of the vermiform appendix.
The human vermiform appendix is usually referred to as "A vestigial organ with no known function.
INTRODUCTION: The vermiform appendix is a blind ending tube, which opens in to the posterio-medial wall of the Caecum.
INTRODUCTION: Appendicitis is an acute inflammation of the vermiform appendix is the most common cause of surgical intra-abdominal condition both in developed and developing countries and appendectomy is the most common emergency surgical operation.