emetic

简明释义

英[ɪˈmetɪk]美[ɪˈmetɪk]

n. 催吐药，催吐剂

adj. 催吐的；（非正式）令人作呕的

复 数 e m e t i c s

英英释义

单词用法

同义词

反义词

例句

1.A bitter-tasting crystalline alkaloid, C29H40N2O4, derived from ipecac root and used in the treatment of amebiasis and as an emetic.

依米丁，吐根碱一种苦味的结晶碱，c29h40n2o4，由吐根的根提取而来并用来治疗。

2.Antidote for overdose application: emetic, cathartic, alkalescent foods and beverages.

服用过量时所需用的解毒剂：催吐，泻药，弱碱性食品、饮料。

3.The emetic mechanism by the digitoxin is discussed.

讨论了洋地黄毒物的催吐原理。

4.He was given emetic ( medicine ) after eating poisonous berries.

他吃了有毒的浆果，已给了他催吐剂。

5.This study aimed to investigate the pathway from vestibular nucleus which receives the primary vestibular signals to the emetic area.

本研究旨在探讨接受初级前庭传入信息的前庭核到脑干呕吐中枢的神经通路。

6.Caution: large doses of this remedy are emetic.

注意：大量服用这种药物会引致呕吐。

7.If the mistake poisoning, is accustomed to emetic, lavage and catharsis, treated guided by doctor in time.

如误服中毒，应催吐、洗胃和导泻，在医生指导下及时治疗。

8.The roots are used as an emetic.

根被用作一种催吐药。

9.The doctor prescribed an emetic for the patient who had ingested poison.

医生为吞食了毒药的病人开了一种催吐剂。

10.In cases of overdose, an emetic may be administered to induce vomiting.

在过量服药的情况下，可以使用催吐剂来诱发呕吐。

11.Some herbal remedies are known to have emetic properties.

一些草药疗法被认为具有催吐剂的特性。

12.The emetic was effective in clearing the stomach of toxins.

这个催吐剂在清除胃中的毒素方面非常有效。

13.After eating spoiled food, she took an emetic to feel better.

吃了变质食物后，她服用了一个催吐剂来感觉好些。

作文

The human body is a complex system that often reacts to various substances in ways that can be both beneficial and harmful. One such reaction occurs when the body encounters toxins or harmful substances, prompting it to expel them. This natural defense mechanism is where the term emetic (催吐剂) comes into play. An emetic is a substance that induces vomiting, helping to rid the body of ingested poisons or irritants. Understanding how emetic agents work can shed light on their importance in both medical and non-medical settings. In a medical context, emetics are used in cases of poisoning or overdose. When a person has ingested a toxic substance, time is of the essence. Medical professionals may administer an emetic to quickly induce vomiting, allowing the individual to expel the harmful material before it can be absorbed into the bloodstream. This can be a lifesaving measure, especially in cases involving substances like certain drugs, alcohol, or household chemicals. However, the use of emetics must be approached with caution; not all poisons should be expelled through vomiting, as some can cause further damage to the esophagus or airway if regurgitated. Historically, emetics have been derived from various plants and minerals. For example, ipecac syrup was once commonly used as an emetic due to its active ingredient, emetine, which stimulates the vomiting center in the brain. While ipecac was widely recommended for home use in cases of accidental poisoning, recent guidelines suggest that it is no longer advisable for this purpose due to potential complications and the availability of more effective treatments. Outside of medical applications, the concept of emetics also appears in discussions about food safety. Certain foods can act as natural emetics, inducing vomiting when consumed in excess or when they are contaminated. For instance, some mushrooms contain toxins that can trigger a strong emetic response. This serves as a protective mechanism, alerting individuals to the dangers of consuming spoiled or toxic food. Moreover, the psychological aspect of vomiting cannot be overlooked. Sometimes, people experience nausea and vomiting due to psychological triggers rather than physical toxins. This phenomenon, known as psychogenic vomiting, may not involve actual emetic substances but can still lead to similar symptoms. In these cases, understanding the underlying causes and addressing them through therapy or counseling can be more effective than relying on emetics. In conclusion, emetics play a crucial role in our understanding of the body's response to harmful substances. Whether in a clinical setting to treat poisoning or as a natural reaction to spoiled food, the ability to induce vomiting is an essential defense mechanism. However, the use of emetics should always be approached with care, considering the specific circumstances and potential risks involved. As we continue to learn more about the complexities of human health, the knowledge of substances like emetic agents remains vital for both healthcare professionals and the general public.

人类身体是一个复杂的系统，常常以有益和有害的方式对各种物质作出反应。当身体遇到毒素或有害物质时，会促使身体排出这些物质，这种自然的防御机制就是术语emetic（催吐剂）所涉及的。emetic是一种引起呕吐的物质，帮助清除体内摄入的毒药或刺激物。理解emetic剂的工作原理可以揭示它们在医疗和非医疗环境中的重要性。 在医学背景下，emetics用于中毒或过量的情况。当一个人摄入了有毒物质时，时间至关重要。医疗专业人员可能会给患者施用emetic，迅速诱导呕吐，使个体能够在有害物质被吸收到血液之前将其排出。这可能是挽救生命的措施，尤其是在涉及某些药物、酒精或家庭化学品的情况下。然而，使用emetics必须谨慎；并非所有毒药都应通过呕吐排出，因为某些毒物在呕吐时可能会对食道或气道造成进一步损害。 历史上，emetics来自于各种植物和矿物。例如，依帕卡克糖浆曾因其活性成分——呕吐碱而广泛用作emetic，它能刺激大脑中的呕吐中枢。尽管依帕卡克曾被广泛推荐用于家庭意外中毒的情况，但最近的指南表明，由于潜在的并发症和更有效治疗的可用性，它不再建议用于此目的。 在非医疗应用中，emetics的概念也出现在食品安全的讨论中。某些食物可以作为天然的emetics，当过量食用或受到污染时会诱发呕吐。例如，一些蘑菇含有毒素，可能会引发强烈的呕吐反应。这作为一种保护机制，提醒人们注意食用变质或有毒食品的危险。 此外，呕吐的心理方面也不可忽视。有时，人们由于心理触发因素而经历恶心和呕吐，而不是物理毒素。这种现象被称为精神性呕吐，可能不涉及实际的emetic物质，但仍然会导致类似的症状。在这些情况下，理解潜在原因并通过治疗或咨询来解决它们可能比依赖于emetics更有效。 总之，emetics在我们理解身体对有害物质反应的过程中扮演着至关重要的角色。无论是在临床环境中治疗中毒，还是作为对变质食物的自然反应，引发呕吐的能力都是一种基本的防御机制。然而，使用emetics时应始终谨慎，考虑特定情况和潜在风险。随着我们继续了解人类健康的复杂性，像emetic剂这样的物质的知识对于医疗专业人员和公众来说仍然至关重要。