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Horses have 18 pairs of ribs, but the first pair are classified as "true" because they attach directly to the sternum. The remaining 16 pairs are considered "false" ribs because they do not directly attach to the sternum, instead connecting to the costal cartilage of the 8th rib.
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Horses have 18 pairs of ribs, but the first pair are classified as "true" because they attach directly to the sternum. The remaining 16 pairs are considered "false" ribs because they do not directly attach to the sternum, instead connecting to the costal cartilage of the 8th rib.
True ribs, because 7-pairs of costal cartilages join 7-pairs of ribs DIRECTLY to the sternum. False ribs, because the costal cartilage join 3-pairs of ribs to the seventh-rib not the sternum. Floating ribs, because the last 2-pairs of ribs neither connects to a costal cartilage and the sternum.
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.
The costal cartilages connect most ribs to the sternum through a joint called the costochondral joint. This joint is made up of the cartilage of the rib and the cartilage of the sternum, allowing for flexibility and movement during breathing.
Place your hand between the dogs front legs and you will find the breast-bone [sternum] where the ribs from both sides join. Find the base of the sternum where the last 2 ribs join it. Just above your hand are the lungs and just behind the base of the left lung is the heart quite close to the base of the sternum.
No, you have 12 pairs of ribs. The first 10 of them are connected to the sternum through the coastal cartilage. But the last two are free floaters, and they are not connected to the sternum at all.
the bottom 2 do not connect to anything, the rest join at the sternum or breastbone
transverse costal facets
This question doesn't really make sense... The clavicle is the collarbone. The sternum - usually people are referring to the manubrium when talking about the sternum - is the hard bone that looks like the body of a necktie protecting your heart in the front of the body. The ribs attach to the sternum in front, to the spine in back. The clavicle attaches to the sternum at the notch at the base of your neck. When you protract the shoulders (hunch them forward), the notch is more pronounced for ease of location. In fact, the sternoclavicular joint is the only skeletal attachment of the shoulder complex. So really, the clavicle doesn't join the sternum to anything. The clavicle is joined to the sternum, giving the shoulder girdle it's one attachment to the axial skeleton.
The ribs join at the back. In front they are connected to the thorasic basket, also known as the breast bone. Only the last two ribs do not join each other . They are the floating ribs.
Hearing the heart sounds requires proper pressure of the diaphragm of a stethoscope to the skin. To hear the pulmonary valve, a stethoscope is placed directly below the valve along the sternum above the third rib. The bicuspid valve is best heard between the fifth and sixth ribs at the apex of the heart. The aortic valve is heard best on the opposite side of the sternum from the pulmonary in the second intercostal space. The tricuspid valve is best heard where the sternum and sixth rib join.
Same as an adult, 12 (on each side). The top 6 pair join in front at the sternum (breastbone), the lower 6 are connected only in back.