extracranial

简明释义

英[ˌekstrəˈkreɪnɪəl]美[ˌekstrəˈkreniəl]

adj. （位于或发生于）颅外的

英英释义

单词用法

同义词

反义词

例句

1.Objective To discuss percutaneous angioplasty and stenting and perioperative nursing in old patient with stenosis of extracranial carotid artery.

目的探讨老年颅外段颈动脉狭窄患者经皮血管内支架置入血管成形治疗及围手术期护理等相关问题。

2.Methods: the extracranial section of the rat facial nerve was dissected and observed.

方法：解剖和观测大鼠面神经颅外段。

3.Neuroblastoma is the most common extracranial solid tumor, which accounts for10%of childrens tumor.

神经母细胞瘤是儿童颅外最常见的实体瘤，占儿童肿瘤的10%。

4.Nasopharyngeal carcinoma often invades the intracranial and extracranial space and cavities.

鼻咽癌常侵犯颅内或颅外周围的间隙和腔窦。

5.Results Follow-up showed that total lesion removal was achieved in all cases and complication of intracranial and extracranial was not found.

结果术后复查肿瘤均得到全切，手术时间与传统手术相仿。

6.Aim: To explore the mechanisms and clinical characteristics of neuroglioma that happened extracranial metastases.

目的：探讨神经胶质瘤颅外转移的可能机制和临床特点。

7.Neuroblastoma is the most common extracranial solid tumor in children.

神经母细胞瘤是儿童最常见的颅外实体肿瘤。

8.Encephalic and extracranial collateral circulation was established.

颅内外侧支循环广泛形成。

9.Objective To investigate the relationship between cerebral stroke and atherosclerosis of the extracranial carotid arteries.

目的探讨颈动脉粥样硬化与脑血管病的关系。

10.The doctor explained that the tumor was located in the extracranial 颅外的 region, which is outside the skull.

医生解释说，肿瘤位于颅外的区域，也就是在头骨外面。

11.An extracranial 颅外的 artery can be affected by atherosclerosis, leading to serious health issues.

一条颅外的动脉可能受到动脉粥样硬化的影响，从而导致严重的健康问题。

12.Patients with extracranial 颅外的 vascular conditions often require specialized imaging techniques.

患有颅外的血管疾病的患者通常需要专门的成像技术。

13.The research focused on extracranial 颅外的 blood flow dynamics during surgical procedures.

研究集中在手术过程中颅外的血流动态。

14.He suffered from extracranial 颅外的 nerve damage after the accident.

他在事故后遭受了颅外的神经损伤。

作文

The human body is a complex system composed of various organs and structures that work together to maintain life. Among these structures, the brain plays a crucial role in controlling bodily functions and processing information. However, the brain does not operate in isolation; it is supported and connected to other parts of the body through a network of blood vessels and nerves. One important term that arises in discussions about brain health and function is extracranial, which refers to anything located outside the skull. Understanding the significance of extracranial structures is essential for comprehending how the brain interacts with the rest of the body. In medical contexts, extracranial often pertains to blood vessels such as the carotid arteries and vertebral arteries, which supply blood to the brain. These arteries begin outside the skull and travel into the cranial cavity, delivering oxygen and nutrients necessary for brain function. Any abnormalities or diseases affecting these extracranial arteries can have serious implications for brain health. For instance, conditions like atherosclerosis, where plaque builds up in the arteries, can restrict blood flow and lead to strokes or transient ischemic attacks (TIAs). Moreover, understanding extracranial structures is vital in the field of neurology and neurosurgery. Surgeons must often navigate these areas during procedures to access the brain safely. For example, when performing a craniotomy, which involves removing a portion of the skull, surgeons must be aware of the extracranial veins and arteries that could be affected. Damage to these vessels can result in significant complications, including excessive bleeding or loss of blood supply to the brain. In addition to vascular considerations, extracranial anatomy includes various nerves that transmit signals between the brain and the rest of the body. The cranial nerves, which emerge from the brainstem and extend to different regions of the head and neck, are critical for functions such as vision, hearing, and facial movements. Understanding the extracranial pathways of these nerves helps clinicians diagnose and treat neurological disorders effectively. Furthermore, the term extracranial can also apply to certain imaging techniques used to assess brain health. For instance, ultrasound and magnetic resonance imaging (MRI) can evaluate the condition of extracranial blood vessels, providing valuable information about potential risks for cerebrovascular diseases. By analyzing these images, healthcare providers can identify blockages or abnormalities that may affect brain function and develop appropriate treatment plans. In summary, the concept of extracranial is integral to understanding the relationship between the brain and the rest of the body. It encompasses various structures, including blood vessels and nerves, that play a pivotal role in maintaining brain health. As research continues to advance in the fields of neurology and neurosurgery, a deeper understanding of extracranial anatomy will undoubtedly contribute to improved patient outcomes and enhanced strategies for preventing and treating neurological conditions. Therefore, recognizing the importance of extracranial elements is essential for anyone studying human anatomy or involved in healthcare professions.

人类身体是一个复杂的系统，由各种器官和结构组成，这些器官和结构共同协作以维持生命。在这些结构中，大脑在控制身体功能和处理信息方面发挥着至关重要的作用。然而，大脑并不是孤立运作的；它通过一系列血管和神经与身体的其他部分相连。一个在讨论大脑健康和功能时出现的重要术语是extracranial，指的是位于颅骨外部的任何东西。理解extracranial结构的重要性对于理解大脑如何与身体其他部分相互作用至关重要。 在医学背景下，extracranial通常涉及如颈动脉和椎动脉等血管，这些血管为大脑提供血液。这些动脉从颅外开始，穿入颅腔，输送大脑功能所需的氧气和营养物质。影响这些extracranial动脉的任何异常或疾病都可能对大脑健康产生严重影响。例如，动脉粥样硬化等疾病会导致动脉内斑块积聚，从而限制血流，导致中风或短暂性缺血发作（TIA）。 此外，理解extracranial结构在神经学和神经外科领域也至关重要。外科医生在进行手术时，常常需要在这些区域内操作，以安全地进入大脑。例如，在进行开颅手术时，外科医生必须了解可能受到影响的extracranial静脉和动脉。损伤这些血管可能导致严重并发症，包括大量出血或大脑供血不足。 除了血管因素，extracranial解剖学还包括传递信号的大量神经，这些神经将大脑与身体的其他部分连接起来。脑神经从脑干发出，延伸到头部和颈部的不同区域，对于视觉、听觉和面部运动等功能至关重要。理解这些神经的extracranial通路有助于临床医生有效地诊断和治疗神经系统疾病。 此外，extracranial这个术语也可以应用于某些成像技术，用于评估大脑健康。例如，超声波和磁共振成像（MRI）可以评估extracranial血管的状况，提供有关脑血管疾病潜在风险的宝贵信息。通过分析这些图像，医疗提供者可以识别可能影响大脑功能的堵塞或异常，并制定适当的治疗计划。 总之，extracranial的概念对于理解大脑与身体其他部分之间的关系至关重要。它涵盖了多种结构，包括血管和神经，这些结构在维持大脑健康方面发挥着关键作用。随着神经学和神经外科领域研究的不断进展，对extracranial解剖学的深入理解无疑将有助于改善患者的治疗结果，并增强预防和治疗神经系统疾病的策略。因此，认识extracranial元素的重要性对于任何学习人体解剖学或参与医疗专业的人来说都是必不可少的。