Lumen (anatomy) explained
In biology, a lumen (: lumina) is the inside space of a tubular structure, such as an artery or intestine.[1] It comes .
It can refer to:
- the interior of a vessel, such as the central space in an artery, vein or capillary through which blood flows
- the interior of the gastrointestinal tract[2]
- the pathways of the bronchi in the lungs
- the interior of renal tubules and urinary collecting ducts
- the pathways of the female genital tract, starting with a single pathway of the vagina, splitting up in two lumina in the uterus, both of which continue through the fallopian tubes
- the fluid-filled cavity forming in the blastocyst during pre-implantation development called the blastocoel
In cell biology, a lumen is a membrane-defined space that is found inside several organelles, cellular components, or structures, including thylakoid, endoplasmic reticulum, Golgi apparatus, lysosome, mitochondrion, and microtubule.
Transluminal procedures
Transluminal procedures are procedures occurring through lumina, including:
See also
Notes and References
- Stedman's Medical Dictionary, 24th ed.
- Book: Adds
, John
. Erica Larkcom . Ruth Miller . Exchange and transport, energy and ecosystems . 2004 . Nelson Advanced science (Nelson Thornes) . 0-7487-7487-4 . 16 .