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Function. The costal margins somewhat protect the higher abdominal organs, such as the liver. Clinical significance. The costal margin may be used for tissue harvesting of cartilage for use elsewhere in the body, such as to treat microtia. Different abdominal organs may be palpated just below the costal margin, such as the liver on the right ...
22 gru 2022 · The costal margin forms the lower margin of the thoracic wall. It functions to protect higher abdominal organs such as the liver as the greater part of the liver lies just below the right costal margin. The costal margin also acts as one of the attachment points for the diaphragm.
The costal margin (costal arch) is an arch formed by the medial margin of the cartilages of false ribs and one true rib (seventh rib to the tenth rib).
1 kwi 2023 · The costal margin is the lower margin of the thoracic wall. Anteriorly, cartilage from the 7 th , 8 th , 9 th and 10 th ribs form the margin by extending inferolaterally from the xiphisternal joint. The apex of the angle forms the infrasternal or sternal angle.
3 lis 2023 · Costocorporeal joints are enclosed by a fibrous capsule and reinforced by capsular, radiate and intra-articular ligaments. The fibrous capsule of each joint extends between the margins of the costal and vertebral articulating surfaces. The posterior sides of fibrous capsules blend with the costotransverse ligaments.
The costal cartilages are bars of hyaline cartilage that serve to prolong the ribs forward and contribute to the elasticity of the walls of the thorax. Costal cartilage is only found at the anterior ends of the ribs, providing medial extension.
18 paź 2023 · Costal cartilages 1-7 articulate with the sternum at sternocostal joints, and costal cartilages 8-10 are attached to each other via small interchondral synovial joints forming the costal margin .
