antidiuretic hormone

简明释义

抗利尿素

英英释义

例句

1.In cases of dehydration, the pituitary gland secretes more antidiuretic hormone (抗利尿激素) to conserve water.

在脱水的情况下，垂体分泌更多的抗利尿激素以保存水分。

2.The body regulates water balance through the release of antidiuretic hormone (抗利尿激素).

身体通过释放抗利尿激素来调节水分平衡。

3.The function of antidiuretic hormone (抗利尿激素) is crucial in maintaining blood pressure.

保持血压的功能中，抗利尿激素是至关重要的。

4.Patients with diabetes insipidus often have low levels of antidiuretic hormone (抗利尿激素), leading to excessive urination.

患有尿崩症的患者通常具有低水平的抗利尿激素，导致排尿过多。

5.Certain medications can affect the secretion of antidiuretic hormone (抗利尿激素), causing changes in urine output.

某些药物可以影响抗利尿激素的分泌，从而导致尿液排出量的变化。

作文

The human body is a complex system that relies on various hormones to regulate its functions. One such crucial hormone is the antidiuretic hormone, also known as vasopressin. This hormone plays a vital role in maintaining the body's fluid balance and blood pressure. Understanding the function of the antidiuretic hormone can provide insights into how our bodies manage hydration and respond to changes in our environment.The antidiuretic hormone is produced in the hypothalamus and stored in the posterior pituitary gland. When the body is dehydrated or when there is an increase in blood osmolarity, the hypothalamus signals the release of this hormone into the bloodstream. The primary action of the antidiuretic hormone is to promote water reabsorption in the kidneys. Specifically, it acts on the collecting ducts, making them more permeable to water. As a result, more water is reabsorbed back into the bloodstream, which helps to concentrate urine and reduce water loss.In addition to its role in water retention, the antidiuretic hormone also influences blood pressure. When released, it causes blood vessels to constrict, which can lead to an increase in blood pressure. This is particularly important during situations where the body experiences significant fluid loss, such as in cases of severe dehydration or hemorrhage. By retaining water and constricting blood vessels, the antidiuretic hormone helps to stabilize blood pressure and ensure adequate blood flow to vital organs.However, the regulation of the antidiuretic hormone is a delicate balance. Excessive levels can lead to a condition known as syndrome of inappropriate antidiuretic hormone secretion (SIADH), where the body retains too much water. This can result in hyponatremia, a dangerous drop in sodium levels in the blood, leading to symptoms such as headache, confusion, and in severe cases, seizures or coma. Conversely, insufficient production of the antidiuretic hormone can lead to diabetes insipidus, a condition characterized by excessive thirst and urination due to the kidneys' inability to concentrate urine.In conclusion, the antidiuretic hormone is essential for regulating the body's water balance and maintaining blood pressure. Its intricate mechanisms highlight the importance of hormonal regulation in our physiology. Understanding how the antidiuretic hormone functions not only sheds light on our bodily processes but also emphasizes the significance of maintaining proper hydration and recognizing the signs of hormonal imbalances. As we continue to learn more about the endocrine system and its hormones, it becomes increasingly clear that these biochemical messengers are fundamental to our overall health and well-being.

人体是一个复杂的系统，依赖于多种激素来调节其功能。其中一种重要的激素是抗利尿激素，也称为加压素。该激素在维持身体的液体平衡和血压方面起着至关重要的作用。理解抗利尿激素的功能可以深入了解我们身体如何管理水分并对环境变化作出反应。抗利尿激素在下丘脑中产生，并储存在后垂体。当身体脱水或血浆渗透压升高时，下丘脑会发出信号，释放这种激素进入血液。抗利尿激素的主要作用是促进肾脏的水分重吸收。具体来说，它作用于集合管，使其对水的通透性增加。因此，更多的水被重新吸收到血液中，这有助于浓缩尿液并减少水分流失。除了在水分保留中的作用外，抗利尿激素还影响血压。当释放时，它会导致血管收缩，这可能导致血压升高。这在身体经历显著液体损失的情况下尤为重要，如严重脱水或出血。在这种情况下，通过保留水分和收缩血管，抗利尿激素有助于稳定血压，确保重要器官的血流量。然而，抗利尿激素的调节是一个微妙的平衡。过量的水平会导致一种称为抗利尿激素分泌不当综合症（SIADH）的状况，身体会保留过多的水分。这可能导致低钠血症，即血液中钠水平的危险下降，导致头痛、混乱，严重时可能出现癫痫或昏迷。相反，抗利尿激素的产生不足可能导致尿崩症，这是一种由于肾脏无法浓缩尿液而导致的过度口渴和排尿的状况。总之，抗利尿激素对于调节身体的水分平衡和维持血压至关重要。其复杂机制突显了激素调节在我们生理中的重要性。理解抗利尿激素的功能不仅揭示了我们身体过程的奥秘，也强调了保持适当水分的重要性，以及识别激素失衡迹象的必要性。随着我们继续学习内分泌系统及其激素，越来越清楚这些生化信使对我们的整体健康和福祉是基础性的。