![In biology, a lumen (from Latin lumen, meaning 'an opening'; plural lumina) is the inside space of a tubular structure, such as an artery or intestine. - ppt download In biology, a lumen (from Latin lumen, meaning 'an opening'; plural lumina) is the inside space of a tubular structure, such as an artery or intestine. - ppt download](https://slideplayer.com/16137228/95/images/slide_1.jpg)
In biology, a lumen (from Latin lumen, meaning 'an opening'; plural lumina) is the inside space of a tubular structure, such as an artery or intestine. - ppt download
![So does this mean a light, like a flood can have a very high lumen count, say 7900, and a flashlight with say 3100 lumens, the flashlight has a higher candela, so So does this mean a light, like a flood can have a very high lumen count, say 7900, and a flashlight with say 3100 lumens, the flashlight has a higher candela, so](https://i.redd.it/so-does-this-mean-a-light-like-a-flood-can-have-a-very-high-v0-hblyiokbhho81.jpg?width=1040&format=pjpg&auto=webp&s=b43b0fea03bb8235505e6479646341d0fbe79ff1)
So does this mean a light, like a flood can have a very high lumen count, say 7900, and a flashlight with say 3100 lumens, the flashlight has a higher candela, so
![What does LUMEN mean? - Definition of LUMEN - LUMEN stands for Loyola University Medical Education Network. By AcronymsAndSlang.com What does LUMEN mean? - Definition of LUMEN - LUMEN stands for Loyola University Medical Education Network. By AcronymsAndSlang.com](http://acronymsandslang.com/acronym_image/45/cd40425cae0677dfad5fe6b4521bb0c5.jpg)