Lumen (anatomy)

In biology, a lumen (plural lumina) is the inside space of a tubular structure, such as an artery or intestine.[1] It comes from Latin lumen 'an opening'.

Cross section of the gut. The lumen is the space in the middle also known as the volume.

It can refer to:

In cell biology, a lumen is a membrane-defined space that is found inside several organelles, cellular components, or structures:

Transluminal procedures

Transluminal procedures are procedures occurring through lumina, including:[3]

See also

  • Foramen, any anatomical opening
  • Thylakoid lumen

References

  1. Stedman's Medical Dictionary, 24th ed.
  2. Adds, John; Erica Larkcom; Ruth Miller (2004). Exchange and transport, energy and ecosystems. Nelson Advanced science (Nelson Thornes). p. 16. ISBN 0-7487-7487-4.
  3. Makar, A. B.; McMartin, K. E.; Palese, M.; Tephly, T. R. (June 1975). "Formate assay in body fluids: application in methanol poisoning". Biochemical Medicine. 13 (2): 117–126. doi:10.1016/0006-2944(75)90147-7. ISSN 0006-2944. PMID 1.
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