Researchers call these sensory devices olfactory receptors.

研究人员把这些感知工具叫做觉感受器。

But dogs don't just have great olfactory gear.

但是狗狗们并不仅仅拥有强大的觉器官。

The olfactory bulbs transmit that information back to the brain.

大脑球将觉信息传输回大脑。

His ultra-sensitive olfactory lobes pick up the distinctive scent of Quetzalcoatlus.

他极度敏锐的觉脑叶察觉蛇翼龙的特殊气味。

One theory goes that they use olfactory cues—how a place smells.

有的理论认为它们是通过觉器官，闻一地方的气味断定。

The first group contains olfactory neurons that eventually help with sensing smells.

第一组包含最终有助于感知气味的觉神经元。

Of the human genome's 20,000 or so genes, almost a thousand code for olfactory receptors.

在人类基因组中大约有20000基因，几乎有1000觉受体编码。

Normally, during fetal development there’s a region of the brain called the olfactory placode.

正常情况下，在胎儿发育期间，大脑中有一区域被称为觉基板。

The amygdala in the brain is responsible for emotional And is directly connected to our olfactory system.

大脑中的杏仁核负责处理情绪，并与我们的觉系统直接相连。

The amygdala in the brain is responsible for emotional control and is directly connected to our olfactory system.

大脑里的杏仁核是负责情绪管理和与我们觉系统直接相关的。

Olfactory nerve impulses enter the brain near the amygdala and other regions that process emotion and memory.

觉神经脉冲进入杏仁核和其他处理情绪和记忆的区域附近的大脑。

In Kallmann syndrome, there’s a defect in the migration of the neurons coming out of the olfactory placode.

在Kallmann综合征中，神经元迁移出觉基板存在缺陷。

The vapours pass through your mouth, around the soft palate, into the nasal cavity and to the olfactory bulb.

蒸汽通过口腔，绕过软腭，进入鼻腔和球。

They certainly had the largest olfactory lobe of any animal, living or extinct, on this planet.

它们拥有地球上所有存在或已灭绝的生物中最大的叶。

" So these odors, which, before, would strongly activate the olfactory system, essentially now didn't do anything."

“所以，这些以前会强烈激活觉系统的气味现在基本上没有任何作用。”

One thing that is kind of expanded though is the olfactory centers, the centers associated with the sense of smell.

有一部比较膨大就是其觉中枢，这部大脑跟气味感觉相关。

You start having, you know, olfactory hallucinations.

你会开始产生幻。

Inside a rat's nose are up to 1,000 different types of olfactory receptors, whereas humans only have 100 to 200 types.

老鼠的鼻子里有多达 1000 种不同类型的觉感受器，而人类只有 100 200 种。

So, to recap: Kallmann syndrome is a type of hypogonadotropic hypogonadism where olfactory neurons and gonadotropin-releasing hormone neurons don’t function normally.

Kallmann综合征是一种低促性腺激素性性腺功能减退症，其觉神经元与促性腺激素释放激素神经元不能发挥正常功能。

By seven months of gestation, the fetus' taste buds are fully developed, and its olfactory receptors, which allow it to smell, are functioning.

妊娠七月的时候，胎儿的味蕾已经完全发育，觉器官的神经末梢也能工作了。