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Lumen (anatomy)

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Title: Lumen (anatomy)  
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Subject: Carotid endarterectomy, Mesangium, Lumina, Vitelline duct, Intestinal villus
Collection: Anatomy, Blood
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Lumen (anatomy)

Cross section of the gut. The lumen is the space in the middle.

In biology, a lumen (from Latin lūmen, meaning "an opening"; plural lumina) is the inside space of a tubular structure, such as an artery or intestine.[1] By extension, the term lumen is also used to describe the inside space of a cellular component or structure, such as the endoplasmic reticulum.


  • Examples of lumina 1
  • Transluminal procedures 2
  • See also 3
  • References 4

Examples of lumina

Transluminal procedures

Transluminal procedures are procedures occurring through lumina, including:

See also


  1. ^ Stedman's Medical Dictionary, 24th ed.
  2. ^ Adds, John; Erica Larkcom; Ruth Miller. Exchange and transport, energy and ecosystems. Nelson Advanced science (Nelson Thornes web site). p. 16.  
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