pilomotor

简明释义

[ˌpɪləʊˈməʊtə][ˌpɪləˈmoʊtər]

毛发运动的

英英释义

Relating to the movement of hair follicles, particularly the contraction of small muscles at the base of hair follicles that causes hair to stand on end.

与毛囊的运动有关,特别是指在毛囊底部的小肌肉收缩,导致毛发竖立。

单词用法

pilomotor muscles

立毛肌

pilomotor stimulation

立毛肌刺激

activate pilomotor muscles

激活立毛肌

trigger a pilomotor response

引发立毛肌反应

同义词

piloerector

毛发竖立肌

The piloerector muscles contract in response to cold or fear.

在寒冷或恐惧的情况下,毛发竖立肌会收缩。

hair-raising

令人毛骨悚然的

The hair-raising experience left everyone in shock.

这次令人毛骨悚然的经历让所有人都感到震惊。

反义词

sudomotor

出汗运动神经

The sudomotor response is crucial for thermoregulation.

出汗运动神经反应对体温调节至关重要。

vasomotor

血管运动神经

Vasomotor control affects blood flow and pressure.

血管运动神经控制影响血流和血压。

例句

1.After severing the skin to break the SSL, the pilomotor line did not cross the incision.

切断皮肤以破坏SSL 后,毛细血管运动线未穿过切口。

2.After severing the skin to break the SSL, the pilomotor line did not cross the incision.

切断皮肤以破坏SSL 后,毛细血管运动线未穿过切口。

3.He experienced a strong pilomotor reaction when he saw the snake.

当他看到蛇时,他经历了强烈的竖毛反应。

4.During a frightening movie, her pilomotor reflex kicked in, making her hair stand on end.

在一部恐怖电影中,她的竖毛反射开始起作用,让她的头发竖了起来。

5.The pilomotor response can be a sign of the body's fight-or-flight mechanism.

竖毛反应可能是身体战斗或逃跑机制的一个标志。

6.The pilomotor muscles contract in response to emotional stimuli.

对情绪刺激的反应使得竖毛肌肉收缩。

7.The body's pilomotor response is triggered when we feel cold, causing goosebumps.

当我们感到寒冷时,身体的竖毛反应会被触发,导致起鸡皮疙瘩。

作文

The human body is an intricate system, comprised of various functions and responses that work together to maintain homeostasis. One fascinating aspect of our physiology is the response known as the pilomotor reflex. This reflex, which causes the tiny muscles at the base of hair follicles to contract, is commonly associated with feelings of cold or fear. When we experience a sudden drop in temperature or encounter a frightening situation, our body instinctively reacts by activating the pilomotor response. This leads to the hairs on our skin standing up, creating what many refer to as 'goosebumps'. The pilomotor reflex serves several purposes. From an evolutionary standpoint, it is believed to have originated as a means of making our ancestors appear larger when faced with threats. The raised hairs would create an illusion of size, potentially deterring predators. Additionally, this reaction can help to trap air close to the skin, providing a layer of insulation against the cold. In modern times, while we may not face the same predatory threats as our ancestors, the pilomotor reflex still plays a role in our physiological responses. Understanding the pilomotor reflex also sheds light on the connection between our emotions and physical reactions. For instance, during moments of intense fear or excitement, our body goes through various changes—our heart rate increases, our breathing quickens, and we may even experience the pilomotor reflex. This phenomenon highlights how intertwined our emotional states are with our physical responses. It serves as a reminder that our bodies are constantly reacting to our environment, often in ways we may not consciously recognize. Moreover, the pilomotor reflex is not just limited to humans; many animals exhibit similar responses. For example, when a cat feels threatened, its fur stands on end, making it appear larger to potential threats. This shared characteristic across species emphasizes the evolutionary significance of the pilomotor response. In conclusion, the pilomotor reflex is a remarkable demonstration of how our bodies respond to environmental stimuli. It encapsulates the intricate relationship between our emotions and physiological reactions. By studying such reflexes, we can gain deeper insights into our biology and the evolutionary adaptations that have shaped us. The next time you feel a chill or experience fear, take a moment to appreciate the pilomotor reflex and the complex systems at play within your body.

人类身体是一个复杂的系统,由各种功能和反应组成,这些功能和反应共同作用以维持体内平衡。我们生理学中一个迷人的方面是被称为pilomotor反射的反应。这个反射导致毛囊底部的小肌肉收缩,通常与寒冷或恐惧的感觉相关。当我们经历温度骤降或遇到可怕情境时,我们的身体本能地通过激活pilomotor反应来作出反应。这导致我们皮肤上的汗毛竖起,形成许多人所称的“鸡皮疙瘩”。pilomotor反射有几个目的。从进化的角度来看,据信它起源于一种使我们的祖先在面对威胁时显得更大的手段。竖起的汗毛会产生一种大小的错觉,可能会吓退捕食者。此外,这种反应还可以帮助在皮肤附近捕住空气,为抵御寒冷提供一层绝缘。在现代社会,尽管我们可能不再面临与祖先相同的捕食威胁,pilomotor反射仍然在我们的生理反应中发挥着作用。理解pilomotor反射也揭示了我们情绪与身体反应之间的联系。例如,在强烈的恐惧或兴奋时,我们的身体经历各种变化——心率加快,呼吸急促,甚至可能体验到pilomotor反射。这一现象突显了我们的情感状态与身体反应之间是多么紧密相连。它提醒我们,我们的身体始终在对环境做出反应,往往以我们可能没有意识到的方式。此外,pilomotor反射不仅限于人类;许多动物也表现出类似的反应。例如,当一只猫感到威胁时,它的毛发会竖起,使其看起来更大,以应对潜在威胁。这种跨物种的共同特征强调了pilomotor反射的进化重要性。总之,pilomotor反射是我们身体如何响应环境刺激的一个显著示例。它概括了我们的情感与生理反应之间复杂的关系。通过研究这样的反射,我们可以深入了解我们的生物学以及塑造我们的进化适应性。下次当你感到寒意或经历恐惧时,花一点时间欣赏一下pilomotor反射及你身体内部正在发挥作用的复杂系统。