Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Growing old; aging.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Growing old; decaying with the lapse of time.
  • adj. characteristic of old age

from the GNU version of the Collaborative International Dictionary of English

  • adj. Growing old; decaying with the lapse of time.

from The Century Dictionary and Cyclopedia

  • Growing old; aging: as, a senescent beau.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. growing old

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

Latin senēscēns, senēscent-, present participle of senēscere, to grow old, inchoative of senēre, to be old, from senex, sen-, old; see sen- in Indo-European roots.

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Latin senescens, present participle of senescere ("to grow old"), from senere ("to be old"), from senex ("old").

Examples

  • Using a complex “systems biology” approach, the researchers, in conjunction with scientists from the University of Ulm in Germany, had set out to discover why cells become senescent, or, in other words, grow old.

    Forever Young

  • Scientists are closing in on the mechanism of what are called "senescent cells," which cause the tissue deterioration responsible for aging.

    NYT > Home Page

  • Reporting in the journal Nature, researchers from the Mayo Clinic have found a way to clear away what are called senescent cells, which are cells that have stopped dividing and build up as people and animals age. senescent cells are so bad for the body:

    The Full Feed from HuffingtonPost.com

  • For the first time, scientists showed in mice that removing a type of aging cell from the body that has stopped dividing -- known as a senescent cell -- can delay or prevent age-related health issues.

    Cell Study Finds a Way to Slow Ravages of Age

  • When they get too short, the cell no longer can divide and becomes inactive or "senescent" or dies.

    WN.com - Articles related to Length of biological marker linked to cancer

  • These healthy liver cells were then implanted into the livers of young rats (10 weeks, the equivalent of young adulthood) and "senescent" rats (more than 35 weeks).

    GEN News Highlights

  • Even when he was senescent and behaving erratically, he still intimidated people.

    The Good Fight

  • Extensive research is still necessary to test whether the clearance of senescent cells would have the same effect in mice that age normally and whether there are different effects in different tissues, such as the brain as compared with muscle tissue, said Dr. Sierra of the National Institute on Aging.

    Cell Study Finds a Way to Slow Ravages of Age

  • Researchers at the Mayo Clinic in Rochester, Minn., found for the first time that by using a drug to target and kill senescent cells, they could essentially freeze some aspects of the aging process.

    Cell Study Finds a Way to Slow Ravages of Age

  • "If you could clear senescent cells, you perhaps could treat age-related diseases as a group rather than individually," said Jan van Deursen, senior author of the paper and a professor in the departments of biochemistry and pediatric and adolescent medicine at Mayo.

    Cell Study Finds a Way to Slow Ravages of Age

Comments

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  • I like this word..

    April 3, 2012