senescence
의미: The biological process of ageing, in which cells and organisms gradually deteriorate in function over time, ultimately leading to death.
In biology, senescence refers both to organismal ageing and to cellular senescence, in which cells cease dividing but remain metabolically active. Cellular senescence is now recognised as a major driver of age-related diseases, and senolytic therapies targeting senescent cells are an active area of research. The adjective form is 'senescent.' The term is exclusively formal and scientific.
예문
- Cellular senescence plays a paradoxical role, suppressing tumour growth in early life while promoting chronic inflammation in old age. 细胞衰老扮演着矛盾的角色——在早期抑制肿瘤生长,在老年时则促进慢性炎症。La senescencia celular desempeña un papel paradójico: suprime el crecimiento tumoral en la juventud, pero promueve la inflamación crónica en la vejez.細胞老化は矛盾した役割を果たしており、若年期には腫瘍の成長を抑制する一方、老年期には慢性炎症を促進する。세포 노화는 모순적인 역할을 하는데, 젊은 시기에는 종양 성장을 억제하는 반면 노년기에는 만성 염증을 촉진한다.
- The research team identified a gene variant associated with delayed senescence in certain populations. 研究团队发现了一种与某些人群中衰老延迟相关的基因变异。El equipo de investigación identificó una variante genética asociada con un retraso de la senescencia en determinadas poblaciones.研究チームは、特定の集団における老化の遅延と関連する遺伝子変異を特定した。연구팀은 특정 집단에서 노화 지연과 관련된 유전자 변이를 확인했다.
- Leaf senescence in deciduous trees is triggered by shortening day length and falling temperatures in autumn. 落叶树的叶片衰老是由秋季日照时间缩短和气温下降触发的。La senescencia foliar en los árboles de hoja caduca se desencadena por el acortamiento de los días y el descenso de las temperaturas en otoño.落葉樹の葉の老化は、秋の日照時間の短縮と気温の低下によって引き起こされる。낙엽수의 잎 노화는 가을철 일조 시간의 단축과 기온 하강에 의해 촉발된다.
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사용 가이드
맥락: medical, academic
어조: neutral
기원과 역사
From Latin 'senescere' (to grow old), derived from 'senex' (old). The term was adopted into English scientific vocabulary in the 17th century.
문화적 배경
Era: Modern
Generation: All ages
Social background: Universal
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