V2EX endotherm

Endotherm

释义 Definition

内温动物;恒温动物:主要依靠体内代谢产生的热量来维持相对稳定体温的动物(常见于鸟类和哺乳动物)。在不同语境中也可指“内温生物/内温性个体”。

发音 Pronunciation (IPA)

/endθrm/

例句 Examples

An endotherm can stay active even when the air is cold.
内温动物即使在寒冷的空气中也能保持活动。

Compared with ectotherms, an endotherm spends more energy to regulate body temperature, which can be an advantage in variable climates.
与外温动物相比,内温动物为了调节体温会消耗更多能量,但这在气候多变的环境中可能成为优势。

词源 Etymology

源自希腊语构词:**endo-**(“内部”)+ -therm(“热”)。字面意思是“内部产生热量的(生物)”,用于生物学中描述主要靠体内产热维持体温的动物类型。

相关词 Related Words

文学/著作中的用例 Notable Works

  • Campbell Biology(《坎贝尔生物学》):在动物生理与体温调节章节中讨论 endotherm 与 ectotherm 的对比。
  • Animal Physiology(常见教材名,如《动物生理学》类教材):用于解释内温动物的产热机制与能量代价。
  • Ecology: Concepts and Applications(《生态学:概念与应用》):在能量收支、生态适应与气候相关内容中出现该术语。
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