Lumen (anatomy)
From Wikipedia, the free encyclopedia
For other uses, see Lumen.
A lumen (Lat. lūmen, an opening or light) (pl. lumina) is an inner space, lining or cavity.
- The interior of a vessel within the body, such as the small central space in an artery or vein, or any of their relating vessels through which blood flows.
- The inner membrane space of a Thylakoid, endoplasmic reticulum, Golgi apparatus, or microtubule.
On a larger scale it may refer to:
- The interior of the gastrointestinal tract [1]
- The pathways of the bronchi in the lungs
- The interior of urinary collecting ducts
- The single pathway of the vagina
[edit] References
- ^ Adds, John; Erica Larkcom, Ruth Miller. Exchange and transport, energy and ecosystems. Nelson Advanced science (Nelson Thornes web site), 16. ISBN 0-7487-7487-4.
[edit] See also
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