breastbones 

  1. 名詞
breastbone複數: 胸骨

    
                        
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例句

                

                    
    
                                                    
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                                He is created of a gushing fluid, which issues forth from between the loins and the breastbones .                            
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                                Additional drawings depict nests, feathers, and details of bird anatomy including feet, breastbones , and windpipes.                            
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                                The early euornithes also saw the development of many traits associated with modern birds, like strongly keeled breastbones , toothless, beaked portions of their jaws (though most non-avian euornithes retained teeth in other parts of the jaws).                            
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                                Conditions affecting the chest wall muscles, particularly the pectoral and intercostal muscles, ribs and breastbones may be responsible for a heavy feeling in the chest . Disorders with the main muscle of respiration – the diaphragm – may also be responsible for this sensation.                            
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                                Juvenile specimens can be identified by a combination of factors: rough texture of their bone tips indicating portions which were still made of cartilage at the time of death, relatively small breastbones , large skulls and eyes, and bones which had not yet fused to one another.                            
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