a measurement of the amount of visible light.
Answer
A lumen is the photometric SI unit for luminous flux -i.e. the rate at which an object emits visible light. By 'visible light', we mean electromagnetic energy perceived by the human eye, and the lumen is based on the frequency of green light, to which the human eye is most sensitive.
because lumen carries biochemical processes for the cells.
Which of the following needles has the widest lumen?
Lumen and candlepower are not the same thing. Lumen measure the of light surrounds, like you would light a room with a lamp. Candlepower measures the light in a beam, like a flashlight beam. With a few assumptions you can convert lumen to candlepower. With these assumptions 360 lumen would be 28.6 candlepower.
The lumen is the size of the inside of the blood vessel. The type of blood vessel that has a lumen approximately the same diameter as a single red blood cell is a capillary.
The digestive system features lumen in the gastrointestinal tract. Absorption is the passage of digested end products from the lumen of the GI tract through the mucosal cells into the blood or lymph.
Lumen
Double-lumen PICC lines come in two colors. Red is the blood access lumen or arterial lumen and blue is the blood return lumen or venous lumen. Despite the names, neither lumen is leads to an artery, but both lead into a vein.
the lumen is bright
Lumen - band - was created in 1998.
Lumen Eclipse was created in 2005.
Lumen Pierce was created in 2010.
Lumen Gentium was created in 1964.
The arterial lumen is the opening of the artery. As an analogy, the toilet paper roll lumen is what you put the spindle through.
Lumen
called lumen
There are 1000 milliwatts per lumen.
Lumen Christi College was created in 1997.