It is situated around the windpipe, behind the upper part of the breastbone.
The chest is a chamber with bony walls, the ribs connecting in front with the breastbone, and behind with the spine.
The first seven pairs, counting from the neck, are called the true ribs, and are joined by their own special cartilages directly to the breastbone.
The slight fracture in the breastbone had repaired itself by one of Nature's magic processes.
The upper cavity, or chest, is a bony enclosure formed by the breastbone, the ribs, and the spine.
Examplesofbreastbone
breastbone
Asphondylia websteri is distinguished from the others by the reduced number of lateral papillae on each side of the larval spatula (breastbone).
From theCambridge English Corpus
Thebreastboneand ribs healed rapidly and the tuberculosis of the lungs vanished all within a week or two.
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Powerful muscles would have developed to anchor these limbs, which would have reacted upon thebreastbone.
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It is inserted into the chest through a cut above thebreastbone.
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The procedure begins when the surgeon makes an incision in the skin over thebreastboneand divides it to expose the pericardium.
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The minimally invasive approach does not involve cutting thebreastbone, but instead uses multiple incisions in the side of the chest and the leg.
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The skeleton'sbreastbonehas also adapted into a large keel, suitable for the attachment of large, powerful flight muscles.
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One of the most abnormal findings was the sternum (breastbone) and most parts of the frontal ribs were missing.
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The female skeleton also has wider and shorterbreastboneand slimmer wrists.
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Pain behind the sternum (breastbone) or in the epigastric region around the stomach often feels like heartburn.
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The keel on thebreastbone, where birds attach the large muscles needed for flight, is also greatly reduced.
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These procedures do not require a median sternotomy (vertical incision in thebreastbone) or cardiopulmonary bypass (heart-lung machine).
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For median sternotomy (access through the sternum, orbreastbone), the patient will have a vertical scar on the anterior chest above the sternum.
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In any case it is an inflammation of the cartilage that attaches the front of the ribs to thebreastbone.
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It also has an unusually shapedbreastbone, distinguishing it from other birds in its suborder, the enantiornithines.
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