column

In reference to: 1) An anatomic part in the form of a pillar or cylindric funiculus. 2) a device used in chromatography & other applications into which a resin or other material is packed & through which a solution or gas is passed so as to achieve separation of components

Specific

anal columns (Morgagni columns) renal (Bertin) column

References

Stedman's Medical Dictionary 27th ed, Williams & Wilkins, Baltimore, 1999.