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Ribs are classified according to their attachment to the sternum. The first seven pairs of ribs attach directly to the sternum and are called true ribs. Ribs 8-10 have cartilage that attaches to the cartilage of the seventh rib and are called false ribs. The eleventh and twelfth ribs do not attach to the sternum and are called floating ribs.

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11y ago
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11y ago

There are 12 ribs which are classified into 2 types:

1-True ribs: first seven which are connected through cartilage to the sternum.

2-False ribs:remaining 5 are false ribs,out of these 8th,9th and 10th are called vertebrochondral ribs.Their coastal cartilages articulate with one another and join to the cartilage of 7th rib.11th and 12th are called floating ribs as their anterior ends are free and lie in the muscle of abdominal wall.

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Q: How are the ribs classified on the basis of their attachment to the sternum?
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The ribs and sternum are best classified as?

The ribs and sternum are best classified as the rib cage. Most of the ribs and sternum consist of bone.


What are false ribs?

False ribs are ribs that have no direct attachment to the sternum (breast bone).


Why is a floating rib easily broken?

There are twelve pair of ribs. The first seven ribs are true ribs because they have direct attachment to the sternum. An additional three pair of ribs have indirect attachment to the sternum meaning that they attach to other structures that attach to the sternum. The last two ribs are called floating ribs because they do not attach to the sternum at all. Because the floating ribs do not attach to the sternum they are prone to injury.


How many ribs are connected to the sternum?

4 ribs is connected to the sternum


What is the structure that attaches the ribs to the sternum?

Cartilage is the structure that attaches the ribs to the sternum. Together with the ribs, the sternum protects major organs like the heart.


Function of sternum?

I guess one could think of the sternum as the "backbone" that holds the ribs together, keeps them in place. The sternum and ribs are a cage like system that protects your heart and lungs from injury. Your ribs are also contected to your spine. Imagine not having any rib cage at all!


Pair of ribs inserts on the sternum at sternum angle?

the second pair of ribs


Do all ribs directly or indirectly articulate with the sternum?

No, they do not. The floating ribs do not connect to the sternum.


What is the function of the ribs of fish?

i thought about that question too and i kept looking for an answer but this is all i could find: The function of the floating ribs is not fully understood. A floating rib could theoretically provide some protection to the contents of the abdominal cavity, but it isn't as necessary as the ribs which are attached to the sternum.


Which ribs are not attached to the sternum?

Only the true ribs are attached to the sternum the false ribs (3) and the floating ribs (2) are not directly attached. The flalse ribs are attached indirectly via cartillage and the floating ribs are not attached at all.


What is the scientific name for true ribs and false ribs?

The "true" ribs are the first 8 ribs of the horse's rib cage (there are 18 total ribs). They are the true ribs because the attach to both the vertebrae above them and the sternum below. I found this in a book-Chapter 35 of Saddles by Russel H. Beatie. Hope this helps.


What ribs do not articulate with the sternum?

false ribs