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thoracic cage (由12个胸椎、12对肋、1块胸骨及其骨连结共同构成,近似圆锥形,上窄下宽,前后略扁,容纳胸腔脏器,并覆盖部分腹上部器官。胸廓有上、下两口和前、后、外侧壁。胸廓的形状和大小与年龄、性别、职业等因素有关。患慢性支气管炎、肺气肿和支气管哮喘病的老年人,因长期咳喘,胸廓各径增大,可形成桶状胸。胸廓除保护和支持功能外,主要参与呼吸运动。吸气时,肋间外肌收缩,引起肋前部抬高,伴以胸骨上升,从而加大胸廓的前后径; 肋上提时,肋体向外扩展,从而加大胸廓的横径,使胸腔容积增大。呼气时,在重力和肋间内肌的作用下,胸廓作相反运动,使胸腔容积减小) | |||
rib | |||
chest | |||
cage of chest; thoracic cage; thorax | |||
compages of thorax | |||
rib cage |
胸 廓 : 64 phrases in 13 subjects |
Anatomy | 4 |
Animal husbandry | 2 |
Aviation | 1 |
Dermatology | 1 |
General | 10 |
Life sciences | 1 |
Medical | 2 |
Nursing | 2 |
Otorhinolaryngology | 1 |
Plastic surgery | 5 |
Sports | 5 |
Surgery | 29 |
United Nations | 1 |