From The School of Biomedical Sciences Wiki
Lumen comes from the Latin word "lumin" that means window. The term "lumen" is used to describe an internal space which is surrounded by a layer of tissue or membrane and resembles a tube in a structure .
Lumen can be found in:
- ↑ Silverthorn, D. U. (1998) Human physiology: an integrated approach. Upper Saddle River, New Jersey: Prentice Hall. Page 2,44.