sternum

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sternum:

see ribrib,
one of the slender, elongated, curved bones that compose the chest cage in higher vertebrates. Ribs occur in pairs, and are found in most vertebrates; however, in some lower vertebrates, including fishes, they run along the entire length of the backbone.
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Sternum

 

the complex of skeletal elements in terrestrial vertebrates and man that unite, along the midline of the body, the ventral ends of the true ribs and parts of the pectoral girdle and to which the sternal muscles are attached.

The sternum is a derivative of the ribs and first appeared in terrestrial vertebrates when a strengthening of support for the pectoral girdle was required in connection with the progressive evolution of the forelimbs. In amphibians and reptiles the sternum is usually cartilaginous; in the latter, only a few ribs are attached, forming the thorax. In birds the sternum is osseous; in flying birds there is a median process, the keel, to which the powerful pectoral muscles are attached. In mammals the sternum consists of three sections: the manubrium, the corpus sterni, and the xiphoid process. In man the sternum, or breastbone, is an unpaired flat bone that forms the middle part of the anterior wall of the thorax.

sternum

[′stər·nəm]
(anatomy)
The bone, cartilage, or series of bony or cartilaginous segments in the median line of the anteroventral part of the body of vertebrates above fishes, connecting with the ribs or pectoral girdle.

sternum

1. (in man) a long flat vertical bone, situated in front of the thorax, to which are attached the collarbone and the first seven pairs of ribs
2. the corresponding part in many other vertebrates
3. a cuticular plate covering the ventral surface of a body segment of an arthropod
References in periodicals archive ?
Giant sternal metastasis secondary to follicular carcinoma of the thyroid gland: report of a case.
Perozzi, "Post-sternotomy chronic osteomyelitis: is sternal resection always necessary?" European Journal of Cardio-Thoracic Surgery, vol.
Benefits of skeletonised IMA include greater perfusion, longer length (allowing easy revascularisation distally), increased calibre, lower risk of sternal infection and reduced pain.3 Although skeletonisation of bilateral IMA is more time consuming, the studying of the haemostasis of the chest wall takes lesser time.
Conclusions: Lifting heavier objects causes more sternal skin stress than lighter objects.
Sternal fractures: a retrospective analysis of 272 cases.
Six patients were reported to undergo this technique and have achieved sternal closure with no complications.
With monitoring, the sternal fracture pain improved with pain medication and clinically resolved after 16-17 weeks.
Sternal Closure Systems Report by Material, Application, and Geography - Global Forecast to 2023 is a professional and comprehensive research report on the world's major regional market conditions, focusing on the main regions (North America, Europe and Asia-Pacific) and the main countries (United States, Germany, United Kingdom, Japan, South Korea and China).
Previously, the company's D-PLEX100 had received both QIDP designation and Fast Track status from the US FDA for the prevention of sternal wound infection post cardiac surgery, one of the most devastating complications with a mortality rate of up to 40% when deep sternal infection occurs.