lumen

lumen

Unità che misura la quantità totale di luce visibile emessa da una sorgente.

In inglese semplice: A unit used to measure the total amount of visible light a source gives out.

• This lamp produces 800 lumens.
• Compare the lumen ratings before buying a bulb.
• How many lumens do we need for this room?

Espressioni comuni: lumen output, lumen rating, one lumen

lume, lumen

Spazio vuoto dentro un organo tubolare, come un vaso sanguigno o l’intestino.

In inglese semplice: The open space inside a tube-shaped organ, such as a blood vessel or the intestine.

• Blood flows through the vessel's lumen.
• Swelling narrowed the intestinal lumen.
• The surgeon checked for a blockage inside the lumen.

Sinonimi: cavity, channel

Espressioni comuni: arterial lumen, intestinal lumen, narrow lumen

lume, canale interno

Canale vuoto all’interno di un tubo, un ago o uno strumento simile.

In inglese semplice: The hollow channel inside a tube, needle, or similar device.

• The catheter has a narrow lumen.
• A blockage stopped fluid passing through the needle's lumen.
• Flush each lumen before connecting the tube.

Sinonimi: bore, channel

Espressioni comuni: catheter lumen, needle lumen, single lumen

lume cellulare

Spazio racchiuso dalla parete di una cellula vegetale.

In inglese semplice: The space enclosed by the wall of a plant cell.

• The cell has a wide lumen.
• The microscope revealed the lumen inside each wood fiber.
• Thicker cell walls leave less space in the lumen.

Sinonimi: cell cavity

Espressioni comuni: cell lumen, fiber lumen, wide lumen