ostium

简明释义

英[ˈɒstiəm]美[ˈɑstɪəm]

n. [生物]口；门口；[生物]孔（等于 osculum）

复 数 o s t i a

英英释义

单词用法

同义词

反义词

例句

1.In cases where the posterior fontanel is identified, the division between the natural ostium and the fontanel should be resected to allow free communication between the two.

如果确定有前卤存在，应该将前卤和上颌窦口之间的间隔切除，使两者相通。

2.If the ostium of sinus were traumatized, it might become an etiologic factor of chronic sinusitis.

若伤口波及鼻窦开口，将导致慢性鼻窦炎的形成。

3.Conclusion Inserting the nasal probe into maxillary sinus ostium through maxillary sinus natural ostium is safe, simple and effective.

结论经上颌窦自然开口行上颌窦口穿刺是安全、简便和有效的一种诊治方法。

4.Objective:To explore the relation of tympanic ostium of Eustachian tube and Eustachian tube dysfunction in chronic otitis media.

目的：探讨慢性中耳炎咽鼓管鼓室口病变与咽鼓管功能障碍的关系。

5.Programmed stimulation was delivered at coronary sinus ostium, distal coronary sinus and lateral wall of left atrium.

分别通过冠状窦口电极、冠状窦远端电极和左房侧壁电极进行程控刺激。

6.Is I does not want to open the ostium, aloofs.

是我不想打开心门，拒人于千里之外。

7.IVUS examination of culprit vessel showed accurate placement of stent in ostium in 29 patients (96.7%) and slight proximal protrusion of stent in 1 (3.3%) patient.

IVUS检测罪犯血管准确支架置入到口部患者29例(96.7%)和支架近端轻度凸出患者1例(3.3%)。

8.A certainty basic foundation for precision determine the cannon ostium velocity are offered.

从而为精确测定炮口速度提供了一定的理论基础。

9.In cases where the posterior fontanel is identified, the division between the natural ostium and the fontanel should be resected to allow free communication between the two.

如果确定有前卤存在，应该将前卤和上颌窦口之间的间隔切除，使两者相通。

10.In anatomy, the term ostium (开口) refers to any opening or entrance in a structure.

在解剖学中，术语ostium (开口) 指的是结构中的任何开口或入口。

11.The ostium (开口) of the fallopian tube is crucial for fertilization.

输卵管的ostium (开口) 对于受精至关重要。

12.During the surgery, the surgeon carefully examined the ostium (开口) of the coronary arteries.

手术期间，外科医生仔细检查了冠状动脉的ostium (开口)。

13.The doctor explained that the ostium (开口) of the heart allows blood to flow from the atrium into the ventricle.

医生解释说，心脏的ostium (开口) 允许血液从心房流入心室。

14.An obstruction at the ostium (开口) can lead to serious health issues.

在ostium (开口) 处的阻塞可能导致严重的健康问题。

作文

The human body is a complex system, with various structures and functions working together to maintain life. One of the lesser-known yet crucial components in this intricate network is the ostium, which refers to an opening or entrance in a biological structure. Understanding the role of the ostium can provide insights into how our bodies function and how different systems interact with one another. In the cardiovascular system, for example, the ostium serves as the entry point for blood vessels. The heart has several ostia that connect to different chambers and arteries, allowing for the efficient flow of blood throughout the body. When the heart pumps, it creates pressure that forces blood through these ostia, ensuring that oxygen-rich blood reaches vital organs and tissues. If there is any blockage or malfunction at the ostium, it can lead to serious health issues such as heart attacks or strokes. The term ostium is also relevant in other areas of biology. In the respiratory system, for instance, the nasal cavity has several ostia that connect to the sinuses. These ostia allow for the drainage of mucus and help to regulate airflow. If these openings become blocked due to allergies or infections, it can result in sinusitis, causing discomfort and affecting overall health. Moreover, in the field of anatomy, the ostium is often referenced in relation to the digestive system. The esophagus has an ostium at its upper end, which is the opening that connects to the throat. This ostium plays a critical role in swallowing, allowing food to pass from the mouth into the stomach. Any abnormalities in this ostium can lead to swallowing difficulties and other gastrointestinal issues. The importance of the ostium extends beyond individual systems; it also highlights the interconnectedness of various bodily functions. For instance, the health of the cardiovascular system can influence respiratory efficiency, and vice versa. Therefore, understanding the role of the ostium in these systems can aid in developing more effective medical treatments and interventions. In conclusion, the ostium may be a small and often overlooked part of our anatomy, but its significance cannot be understated. Whether it is in the heart, the respiratory system, or the digestive tract, the ostium plays a vital role in maintaining the body's overall health and functionality. As we continue to study human biology, recognizing the importance of such structures will enhance our understanding of health and disease. By appreciating the function of the ostium, we can better appreciate the complexity of life itself.

人体是一个复杂的系统，各种结构和功能共同作用以维持生命。在这个错综复杂的网络中，一个较少被人们了解但至关重要的组成部分就是ostium，它指的是生物结构中的开口或入口。理解ostium的作用可以为我们提供关于身体如何运作以及不同系统如何相互作用的见解。例如，在心血管系统中，ostium作为血管的入口点。心脏有几个ostia，连接到不同的腔室和动脉，允许血液在全身有效流动。当心脏泵血时，会产生压力，迫使血液通过这些ostia，确保富含氧气的血液到达重要器官和组织。如果ostium出现任何阻塞或故障，可能会导致严重的健康问题，如心脏病发作或中风。术语ostium在生物学的其他领域也很相关。例如，在呼吸系统中，鼻腔有几个ostia，与窦道相连。这些ostia允许粘液的排出，并帮助调节气流。如果由于过敏或感染而导致这些开口阻塞，可能会导致鼻窦炎，造成不适并影响整体健康。此外，在解剖学领域，ostium通常与消化系统相关。食道的上端有一个ostium，这是连接喉咙的开口。这个ostium在吞咽中起着关键作用，允许食物从口腔进入胃部。此ostium的任何异常都可能导致吞咽困难和其他胃肠问题。ostium的重要性超越了单一系统；它还突显了各种身体功能之间的相互联系。例如，心血管系统的健康可以影响呼吸效率，反之亦然。因此，理解ostium在这些系统中的作用可以帮助开发更有效的医疗治疗和干预措施。总之，ostium可能是我们解剖学中一个小而常被忽视的部分，但其重要性不容小觑。无论是在心脏、呼吸系统还是消化道，ostium在维持身体整体健康和功能中发挥着至关重要的作用。随着我们继续研究人类生物学，认识到这些结构的重要性将增强我们对健康和疾病的理解。通过欣赏ostium的功能，我们可以更好地欣赏生命本身的复杂性。