parathormone

简明释义

英[/ˌpærəˈtɔrmən/]美[/ˌpærəˈtɔrmən/]

n. [生化] 甲状旁腺素

英英释义

单词用法

同义词

反义词

例句

1.Objective To investigate the Clinical significance and the changes of serum parathormone (PTH) in the platelet donors with long-term donation.

目的探讨长期机采血小板献血者血清甲状旁腺素的变化及其临床意义。

2.Objective To investigate the Clinical significance and the changes of serum parathormone (PTH) in the platelet donors with long-term donation.

目的探讨长期机采血小板献血者血清甲状旁腺素的变化及其临床意义。

3.The increased serum phosphate tends to drive serum calcium down, which in turn drives the parathyroids to secrete more parathormone.

血磷升高使血清钙下降，从而引起甲状旁腺分泌更多的甲状旁腺激素。

4.A deficiency in parathormone 甲状旁腺激素 can lead to hypocalcemia.

parathormone 甲状旁腺激素 的缺乏可能导致低钙血症。

5.The role of parathormone 甲状旁腺激素 in bone metabolism is crucial for maintaining bone health.

parathormone 甲状旁腺激素 在骨代谢中的作用对维持骨骼健康至关重要。

6.Elevated levels of parathormone 甲状旁腺激素 can indicate hyperparathyroidism.

升高的 parathormone 甲状旁腺激素 水平可能表明甲状旁腺功能亢进。

7.Patients with kidney disease may have altered parathormone 甲状旁腺激素 secretion.

肾病患者可能会有改变的 parathormone 甲状旁腺激素 分泌。

8.The doctor explained that parathormone 甲状旁腺激素 regulates calcium levels in the blood.

医生解释说，parathormone 甲状旁腺激素 调节血液中的钙水平。

作文

The human body is a complex system that relies on various hormones to maintain homeostasis and regulate numerous physiological processes. One such hormone is parathormone, which plays a crucial role in calcium metabolism. Understanding the function of parathormone is essential for grasping how our bodies maintain calcium levels, which are vital for bone health, muscle function, and nerve transmission.Parathormone, also known as parathyroid hormone (PTH), is secreted by the parathyroid glands located behind the thyroid gland in the neck. When blood calcium levels drop, these glands release parathormone into the bloodstream. This hormone then acts on various organs to increase calcium levels. For instance, it stimulates the bones to release calcium into the bloodstream, enhances the absorption of calcium in the intestines, and promotes the reabsorption of calcium in the kidneys, preventing its excretion in urine.The regulation of parathormone is a classic example of a negative feedback loop. When calcium levels rise sufficiently, the secretion of parathormone decreases, allowing the body to maintain balance. This intricate system ensures that calcium levels remain within a narrow range, which is critical for many bodily functions. An imbalance in parathormone levels can lead to various health issues. For instance, excessive production of parathormone can result in a condition known as hyperparathyroidism, where the bones become weakened due to excessive calcium being released from them. This can lead to osteoporosis, increased risk of fractures, and other complications. Conversely, insufficient levels of parathormone can cause hypoparathyroidism, leading to low calcium levels in the blood, which can result in muscle cramps, seizures, and even cardiac issues.Research has shown that parathormone not only regulates calcium but also plays a role in bone remodeling. This process involves the resorption of old bone and the formation of new bone. A delicate balance between these two processes is necessary for maintaining healthy bone density. In recent years, scientists have been exploring the therapeutic potential of parathormone in treating conditions like osteoporosis. Synthetic forms of parathormone have been developed to stimulate bone formation in patients with significant bone loss.In conclusion, parathormone is an essential hormone in the human body that regulates calcium levels and plays a key role in bone health. Understanding its functions and the consequences of its imbalances can help us appreciate the complexity of our endocrine system and its impact on overall health. As research continues to unfold, we may discover even more about how parathormone can be utilized in medical treatments, providing hope for those suffering from bone-related diseases. Maintaining a healthy lifestyle, including adequate nutrition and regular exercise, can also support the proper functioning of parathormone and contribute to better health outcomes overall.

人体是一个复杂的系统，依赖各种激素来维持内环境稳态和调节众多生理过程。其中一种激素是甲状旁腺激素，它在钙代谢中发挥着重要作用。理解甲状旁腺激素的功能对于掌握我们身体如何维持钙水平至关重要，而这些钙水平对于骨骼健康、肌肉功能和神经传导都是必不可少的。甲状旁腺激素，也称为甲状旁腺激素（PTH），由位于颈部甲状腺后面的甲状旁腺分泌。当血液中的钙水平下降时，这些腺体会将甲状旁腺激素释放到血液中。然后，这种激素作用于多个器官以提高钙水平。例如，它刺激骨骼释放钙进入血液，增强肠道对钙的吸收，并促进肾脏对钙的重吸收，从而防止其在尿液中排泄。甲状旁腺激素的调节是负反馈循环的经典例子。当钙水平足够高时，甲状旁腺激素的分泌减少，从而使身体保持平衡。这一复杂的系统确保钙水平保持在一个狭窄的范围内，这对许多身体功能至关重要。甲状旁腺激素水平的不平衡可能导致各种健康问题。例如，甲状旁腺激素的过度产生会导致一种称为甲状旁腺功能亢进症的疾病，其中由于过多的钙从骨骼中释放出来，导致骨骼变得脆弱。这可能导致骨质疏松、骨折风险增加及其他并发症。相反，甲状旁腺激素的不足可能导致甲状旁腺功能减退症，导致血液中的钙水平低下，可能引发肌肉痉挛、癫痫甚至心脏问题。研究表明，甲状旁腺激素不仅调节钙，还在骨重塑中发挥作用。这个过程涉及旧骨的吸收和新骨的形成。这两个过程之间的微妙平衡对于维持健康的骨密度是必要的。近年来，科学家们一直在探索甲状旁腺激素在治疗骨质疏松症等疾病中的治疗潜力。合成形式的甲状旁腺激素已经被开发出来，以刺激骨质形成，帮助那些骨量显著减少的患者。总之，甲状旁腺激素是人体内一种重要的激素，调节钙水平并在骨骼健康中发挥关键作用。理解其功能及其不平衡的后果可以帮助我们欣赏内分泌系统的复杂性及其对整体健康的影响。随着研究的不断深入，我们可能会发现更多关于如何利用甲状旁腺激素进行医学治疗的信息，为那些遭受骨相关疾病的人带来希望。保持健康的生活方式，包括适当的营养和定期锻炼，也可以支持甲状旁腺激素的正常功能，并促进更好的健康结果。