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6.3: The Ribs

Anatomy and Physiology of Animals · LibreTexts

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    From LibreTexts, under CC BY-SA 3.0, as the source states it; its equations are written in TeX, which the PDF shows typeset. This page at LibreTexts.

    Paired ribs are attached to each thoracic vertebra against which they move in breathing. Each rib is attached ventrally either to the sternum or to the rib in front by cartilage to form the rib cage that protects the heart and lungs. In dogs one pair of ribs is not attached ventrally at all. They are called floating ribs (see diagram 6.5). Birds have a large expanded sternum called the keel to which the flight muscles (the ‘breast” meat of a roast chicken) are attached.

    Anatomy and physiology of animals Ribs.jpg

    Diagram 6.5 - The rib

    This page titled 6.3: The Ribs was last modified on Thu, 15 Sep 2022 20:02:25 GMT and is shared under a CC BY-SA 3.0 license and was authored, remixed, and/or curated by Ruth Lawson via source content that was edited to the style and standards of the LibreTexts platform.