aquaporin

noun
aqua·​por·​in | \ ˌa-kwə-ˈpȯr-ən How to pronounce aquaporin (audio) \

Medical Definition of aquaporin

: any of several proteins that are found in cell membranes and selectively permit water to pass into and out of the cell Several scientific groups are now directing their attention to the aquaporins, a large family of water transport molecules whose members each have unique tissue distributions in kidney.— Peter Agre, Proceedings of the National Academy of Science Water passes through the cell membrane via channels called aquaporins. These channels are so small that water molecules travel through in single file, while larger molecules cannot enter.— Julie Rehmeyer, New Scientist

Learn More About aquaporin

Dictionary Entries Near aquaporin

aquagenic

aquaporin

aqua pura

See More Nearby Entries 

Cite this Entry

“Aquaporin.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/aquaporin. Accessed 29 Sep. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Words Named After People

  • name tags
  • Namesake of the leotard, Jules Léotard had what profession?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!