senescent
pronunciation
How to pronounce senescent in British English:
UK [sɪ'nesənt]
How to pronounce senescent in American English:
US [sɪ'nesənt]
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- Adjective:
- growing old
Word Origin
- senescent (adj.)
- 1650s, from Latin senescentem (nominative scenescens), present participle of senescere "to grow old," from senex "old" (see senile).
Example
- 1. When cells become senescent , they produce harmful compounds such as those that cause inflammation .
- 2. Clearance of senescent cells in those mice didn 't reverse the decline that had already occurred but prevented further deterioration .
- 3. A cell that 's no longer dividing is known as senescent ; it continues to live but no longer functions as it once did .
- 4. Some partial immortalisers seek to abolish the hayflick limit altogether in the hope that tissue that has become senescent will start to renew itself once more .
- 5. The drug appeared to clear out only senescent cells , not normal ones , and the animals didn 't appear to suffer any side effects , the researcher said .