Anal columns (Columns of Morgagni or less commonly Morgagni's columns) are a number of vertical folds, produced by an infolding of the

mucous membrane A mucous membrane or mucosa is a membrane that lines various cavities in the body of an organism and covers the surface of internal organs. It consists of one or more layers of epithelial cells overlying a layer of loose connective tissue. It ...

and some of the muscular tissue in the upper half of the lumen of the

anal canal The anal canal is the part that connects the rectum to the anus, located below the level of the pelvic diaphragm. It is located within the anal triangle of the perineum, between the right and left ischioanal fossa. As the final functional s ...

. They are named after

Giovanni Battista Morgagni Giovanni Battista Morgagni (25 February 1682 – 6 December 1771) was an Italian anatomy, anatomist, generally regarded as the father of modern anatomical pathology, who taught thousands of medical students from many countries during his 56 year ...

, who has several other eponyms named after him.

References

External links

* — "The Female Pelvis: The Rectum" * () Digestive system {{digestive-stub