光感受器是通过发出化学信号来对光作出反应的细胞。
Photoreceptors are cells that respond to light by sending out a chemical signal.
蚂蚁储存食物，击退攻击者，并使用化学信号联系彼此以防被攻击。
Ants store food, repel attackers and use chemical signals to contact one another in case of attack.
相反地，并不是所有的化学信号都通过VNO质量的传递作为信息素。
Conversely, not all chemical signals transmitted via the VNO quality as pheromones.
它不仅影响了生育能力的化学信号，而且也截断了能显示动物个体特性的信号。
It not only affected the chemical signals of fertility, but it also obliterated the signals of an animal's individual identity.
束带蛇通过 VNO探测到来自蚯蚓（它们最喜欢的食物之一）的化学信号，然后它们利用这个信号来追踪它们的猎物。
Garter snakes detect a chemical signal from earthworms—one of their favorite foods—via the VNO, and they use this signal to track their prey.
或者，化学信号是危险，它们就会逃跑吗？
炎症反应同样是由化学信号引起的。
这种自我保护显然与某种类型的化学信号有关。
例如，触发了最终形状的机制可能是一个化学信号。
The mechanism that triggers the final form could be a chemical signal, for instance.
它们常常处于激活状态，而不需要受特殊化学信号激活。
Instead of needing to be activated by a specific chemical messenger, the engineered fat cells are always active.
这种毒素阻止大脑释放一种化学信号，从而抑制肌肉收缩。
By blocking the release of a chemical messenger in the brain, the toxin stops muscles from contracting.
它向脑部最外层的大脑皮层发送化学信号，从而影响推理和记忆功能。
It sends chemical signals to the cerebral cortex, the outer layer of the brain, related to reasoning and memory.
白蚁之间通过一种名为“信息素”的化学信号来保证巢穴的顺利完工。
Termites ensure a similarly successful outcome using chemical signals called pheromones.
o叶脉构成植物结构，为植物抵御破坏，甚至传送化学信号，与动物神经类似。
They provide structural support, resist damage, transport nutrients and even help send chemical signals to the plant, similar to nerves in an animal.
连这个生物的臭迹及其它化学信号都支配着它们的行动，更不要说它们的基因了。
The little creatures are constantly guided by their scent trails and other chemical signals, not to mention their genes.
部分信息交换可能是在信息素(一种动物间传递信息的化学信号)的辅助下进行。
Part of this information exchange is most likely facilitated by pheromones, chemical signals that are passed between animals to help send messages.
如果Tsutsui能够了解判断同一种群的化学信号，他就能够中断这一过程。
If Tsutsui can learn the chemical signature that identifies a colony, he can attempt to disrupt this process.
当研究团队用中性抗体阻止癌细胞释放这种化学信号时，造血细胞就可以正常工作。
When the team blocked the release of this chemical signal with neutralizing antibodies, the blood-making cells went about their normal business.
细菌利用化学信号相互沟通，在这个过程中释放和接收能被群体感应到的信号分子。
Bacteria communicate using chemical signals, releasing and receiving signalling molecules in a process known as quorum sensing.
直到最近，研究重点都还是放在“嗅觉”上：即细胞如何响应诸如生长因子这类化学信号。
Until recently, the focus was all on "smell": that is, on how cells respond to chemical signals such as growth factors.
科学家们甚至已经设计了人工开关，当它开启时能够发光和者发出电化学或生物化学信号。
Scientists have even engineered artificial switches to start glowing or giving off some kind of electrochemical or biochemical signal once they are switched "on."
研究人员发现一种“电子鼻子”能够从肺癌或头颈部癌症病人的呼吸中识别癌症的化学信号。
Researchers found an "electronic nose" was able to identify chemical signals of cancer in the breath of patients with lung or head and neck cancer.
他认为这对保护胎儿尤其重要，因为胎儿在发育过程中极易受到外来化学信号的影响。
He believes this is particularly important for protecting fetuses, whose development is especially susceptible to disruption by outside chemical signals.
为了在心灵受创伤之前避免受到伤害，大脑会释放出防护性的化学信号，同时也会引发强烈的幻觉。
In order to guard against damage during trauma, the brain releases protective chemicals that also happen to trigger intense hallucinations.
它是一个迷人的复杂的系统，它将化学信号传至滤泡来控制他们什么时候产生什么时候停止。
It's a fascinating and complex system of chemical signals being sent to the follicles to tell them when to produce and when to rest.
声音振动使静纤毛轻微弯曲，造成机械振动，机械振动变成一种电化学信号，最后大脑将其理解为声音。
Sound vibrations cause the stereocilia to bend slightly, causing mechanical vibrations that are then converted into an electrochemical signal that the brain interprets as sound.
克里斯汀·迪亚：这不仅影响了某些能诱发多产的化学信号，也截断了某些能显示动物个体特性的信号。
Christine Drea: it not only affected the chemical signals of fertility but it also obliterated the signals of an animal's individual identity.
但是如果把这种化学信号加到老鼠身上，形成的组合却能够保护被称之为造血原细胞的干细胞。
But by jamming these signals in mice, the team was able to protect the stem cells, called hematopoietic progenitor cells.
但是如果把这种化学信号加到老鼠身上，形成的组合却能够保护被称之为造血原细胞的干细胞。
But by jamming these signals in mice, the team was able to protect the stem cells, called hematopoietic progenitor cells.
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