platysma

简明释义

英[plæˈtɪzmə]美[pləˈtɪzmə]

n. （颈）阔肌

复 数 p l a t y s m a s 或 p l a t y s m a t a

英英释义

单词用法

同义词

反义词

例句

1.Objective To study the method and feasibility of platysma myocutaneous flap in reconstruction of oral defects.

目的探讨颈阔肌肌皮瓣修复口腔癌术后组织缺损的方法及可行性。

2.From 1978 to 1991, the platysma myocutaneous flap of different designs was used to treat 69 patients with tumor extirpation defects of temporomandibular ankylosis.

总结了1978 ~ 1991年间，因面颊、下唇部肿瘤或颞颌关节强直共69例，采用颈阔肌肌皮瓣分别以三种术式进行修复。

3.Conclusions Preserving and containing the external jugular vein in the flap is helpful for improving the blood circulation of the myocutaneous platysma flap and making its survival rate higher.

结论将颈外静脉包含在颈阔肌肌皮瓣内有助于肌皮瓣血循环的改善和存活率的提高。

4.Methods: a retrospective study was conducted in 117 patients used superiorly based platysma flap to repair the tissue defect of oral and maxillofacial malignant tumor from 2010 to 2013.

方法：对2010—2013年间收治的，117例口腔颌面部恶性肿瘤应用颈阔肌肌皮瓣修复的病例进行回顾性分析。

5.Abstract: Objective: to analyze the factors about the survival condition of superiorly based platysma flap that repairs oral and maxillofacial malignant tumor.

摘要目的：分析口腔颌面部恶性肿瘤经上蒂垂直型颈阔肌肌皮瓣修复后，影响皮瓣存活的因素。

6.Conclusions Preserving and containing the external jugular vein in the flap is helpful for improving the blood circulation of the myocutaneous platysma flap and making its survival rate higher.

结论将颈外静脉包含在颈阔肌肌皮瓣内有助于肌皮瓣血循环的改善和存活率的提高。

7.The physical therapist focused on exercises that would strengthen the platysma 颈阔肌 for better posture.

物理治疗师专注于强化颈阔肌的锻炼，以改善姿势。

8.The platysma 颈阔肌 can become tense due to stress or anxiety, affecting facial expressions.

由于压力或焦虑，颈阔肌可能会变得紧张，从而影响面部表情。

9.During the surgery, the surgeon had to carefully cut through the platysma 颈阔肌 to access the underlying structures.

在手术中，外科医生必须小心地切开颈阔肌以进入底层结构。

10.In yoga, certain poses help to relax the platysma 颈阔肌 and improve overall neck flexibility.

在瑜伽中，某些姿势有助于放松颈阔肌并改善整体颈部灵活性。

11.The doctor examined the patient's platysma 颈阔肌 to assess any signs of strain.

医生检查了病人的颈阔肌以评估是否有任何紧张的迹象。

作文

The human body is a complex and fascinating structure, composed of various muscles that play significant roles in our daily activities. One of these muscles is the platysma, a thin, broad sheet of muscle that extends from the upper chest and shoulder area to the lower jaw. The platysma is often overlooked, yet it serves important functions in facial expression and movement. This essay aims to explore the anatomy, function, and significance of the platysma muscle in our lives.Anatomically, the platysma is classified as a superficial muscle, meaning it lies just beneath the skin. It originates from the fascia of the chest and shoulders, specifically from the pectoralis major and deltoid muscles. As it ascends, the platysma fibers spread out and insert into the lower jaw, blending with the muscles of facial expression. This unique positioning allows the platysma to influence not only the neck but also the lower face, contributing to various expressions.Functionally, the platysma plays a crucial role in facial expressions. It is primarily responsible for movements that involve lowering the jaw and pulling down the corners of the mouth, which can convey feelings of sadness or surprise. When we are startled or shocked, the platysma contracts, causing the skin of the neck to tense and the jaw to drop slightly. This reaction is an instinctive response to stimuli, allowing us to express emotions non-verbally.In addition to its role in expression, the platysma also aids in some physical functions. For instance, it assists in swallowing by helping to pull down the mandible, which opens the mouth wider. Furthermore, the platysma is involved in the stabilization of the neck during certain movements, providing support to the head and preventing excessive motion.Despite its importance, the platysma is often neglected in discussions about fitness and health. Many people focus on more prominent muscles, such as the biceps or quadriceps, while ignoring the smaller, yet equally significant, muscles like the platysma. Maintaining the strength and flexibility of the platysma is essential for overall neck health. Exercises that involve neck stretches and facial movements can help keep this muscle toned and functional.Moreover, the platysma has gained attention in the field of cosmetic surgery. As people age, the appearance of the neck can change due to the weakening of the platysma and the accumulation of fat. Procedures such as neck lifts and platysmaplasty target this muscle to improve the contour of the neck and jawline. Understanding the platysma is vital for both patients and surgeons to achieve desired aesthetic outcomes.In conclusion, the platysma is a remarkable muscle that contributes significantly to our ability to express emotions and perform essential functions. Its anatomical structure allows it to play a dual role in both facial expression and physical stability. By appreciating the importance of the platysma, we can better understand the complexities of the human body and the significance of maintaining our muscular health. Whether through exercise or cosmetic procedures, taking care of the platysma can lead to a healthier and more expressive life.

人体是一个复杂而迷人的结构，由各种肌肉组成，这些肌肉在我们的日常活动中发挥着重要作用。其中一种肌肉是platysma，它是一块薄而宽的肌肉，延伸从上胸部和肩部区域到下颌。platysma常常被忽视，但它在面部表情和运动中起着重要作用。本文旨在探讨platysma肌肉的解剖、功能和在我们生活中的重要性。从解剖学上看，platysma被归类为表层肌肉，这意味着它位于皮肤下方。它起源于胸部和肩部的筋膜，具体来说，是从大胸肌和三角肌开始。随着它向上升起，platysma肌纤维扩展并插入到下颌，与面部表情肌肉融合在一起。这种独特的位置使得platysma不仅能影响颈部，还能影响下半张脸，促进各种表情。在功能上，platysma在面部表情中起着至关重要的作用。它主要负责降低下颌和拉低嘴角的动作，这可以传达悲伤或惊讶的情感。当我们受到惊吓或震惊时，platysma会收缩，导致颈部皮肤紧绷，下颌轻微下垂。这种反应是对刺激的本能反应，使我们能够非语言地表达情感。除了在表情中的作用外，platysma还辅助一些生理功能。例如，它通过帮助下颌下拉来协助吞咽，使嘴巴打开得更宽。此外，platysma在某些运动中也参与颈部的稳定，为头部提供支持，防止过度运动。尽管platysma很重要，但在健身和健康讨论中常常被忽视。许多人专注于更显著的肌肉，如二头肌或股四头肌，而忽略了像platysma这样的小肌肉，然而同样重要。保持platysma的力量和灵活性对于整体颈部健康至关重要。涉及颈部拉伸和面部运动的锻炼可以帮助保持这块肌肉的紧致和功能。此外，platysma在整形外科领域引起了关注。随着人们年龄的增长，颈部的外观可能因platysma的弱化和脂肪的积累而发生变化。颈部提升和颈阔肌成形术等手术针对这块肌肉，以改善颈部和下颌线条的轮廓。理解platysma对于患者和外科医生实现理想美学效果至关重要。总之，platysma是一块显著的肌肉，在我们的情感表达和执行基本功能方面具有重要贡献。它的解剖结构使其在面部表情和身体稳定性方面发挥双重作用。通过欣赏platysma的重要性，我们可以更好地理解人体的复杂性及保持肌肉健康的重要性。无论是通过锻炼还是美容手术，照顾platysma都能带来更健康、更具表现力的生活。