n.内分泌物（素）；自体有效物质

Autacoids are hormones that play a crucial role in regulating bodily functions.
自动体素是一类对调控身体机能至关重要的激素。
The release of adrenaline, an autacoid, triggers the fight-or-flight response in animals.
肾上腺素（一种自动体素）的释放，会引发动物的“战或逃”反应。
Autacoids like insulin help regulate blood sugar levels in the body.
像胰岛素这样的自动体素有助于调节体内血糖水平。
In plants, auxins are a type of autacoid responsible for growth and development.
在植物中，生长素是负责生长发育的一种自动体素。
The autacoid system is tightly interconnected with the nervous system in organisms.
生物体内的自动体素系统与神经系统紧密相连。
Endorphins, which act as natural autacoids, can alleviate pain and promote a sense of well-being.
内啡肽作为天然的自动体素，能缓解疼痛并提升幸福感。
Hormonal imbalances, such as an excess of cortisol, can disrupt the delicate balance of autacoids.
激素失衡，如皮质醇过多，可能扰乱自动体素的微妙平衡。
Some medications target specific autacoids to treat conditions like asthma or rheumatoid arthritis.
有些药物专门针对特定的自动体素，用于治疗如哮喘或类风湿关节炎等疾病。
Autacoids are often produced by specialized glands within the body, like the adrenal gland.
自动体素通常由身体内的特定腺体产生，如肾上腺。
The study of autacoids in biology helps scientists understand how organisms maintain homeostasis.
生物学中对自动体素的研究有助于科学家理解生物体如何维持稳态。