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Which bone's medial end articulates with the sternum and its lateral end articulates with the scapula?
The clavicle. This bone is normally not consideredto be part of the shoulder an instead a part of the thorax, which is also true. The reason it is part of the shoulder is that it joint part of the scapula to form the soked of the glenohumeral joint.
What is the cranial portion of the sternum?
The cranial portion of the sternum is called the manubrium. It is the top portion of the sternum that articulates with the clavicles and the first rib.
What rib doesn't connect to the sternum?
Rib pairs 10-12 do not connect to the sternum and they are called floating ribs.
What part of the rib articulates with the body of the vertebra?
headThe pedicle of the rib articulates with the transverse process of the thoracic vertebra.
What is the bone of Thorax?
The sternum, or breastbone, is the central bone of the thorax. It lies in the middle of the chest and articulates with the ribs through the costal cartilages.
The sternum is part of the?
The sternum is part of the rib cage and is located in the center of the chest. It serves as an attachment point for the rib bones and protects the heart and lungs.
How many ribs are connected to the sternum?
There are typically seven pairs of ribs that directly connect to the sternum, forming the rib cage. These are known as true ribs.
The difference between a true ribe and a false ribe?
True ribs attach with the cartilage that is a direct bridge to the sternum; they are called true ribs or vertebro-sternal ribs The false ribs just attach to cartilage that bind into one link or bridge that connects with the sternum (almost looks like a little web)
The rib cage is composed of?
The rib cage is made of bone with intercostal muscles allowing them to expand and contract when breathing.
What structure does the 1st rib articulate with?
The 1st rib articulates primarily with the first thoracic vertebra at the costovertebral joint. Additionally, it forms a joint with the manubrium of the sternum at the sternocostal joint. This rib is unique in its anatomy and plays a critical role in the thoracic structure and function.
Compare the articulation on the thoracic vertebrae of rib pairs 7 and 10?
Rib pair 7, also known as the true ribs, articulates directly with the sternum via its costal cartilage and has a typical articulation with the thoracic vertebrae at the facets on the bodies and transverse processes of T7. In contrast, rib pair 10 is considered a false rib because it does not attach directly to the sternum but instead connects to the costal cartilage of rib 9. This leads to differences in their articulations; rib 10 typically has a more variable articulation with T10, which may not include a full facet for the rib head due to its atypical connection. Overall, the structural differences reflect their functional roles in the rib cage.
What is the sternomanubrial junction region?
The sternomanubrial junction is where the manubrium (top part of the sternum) meets the body (sternum). It plays a role in connecting the sternum to the clavicles and first rib. It is an important landmark in the chest for medical examinations and procedures.
