Lumen (anatomy)

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.

• 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

• Thylakoid lumen

Template:TissueLayers id:Lumen (anatomi) sl:Svetlina

Template:WikiDoc Sources