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What is 8, 9 & 10th ribs are attached to 7th rib by which joint and explain in detail?
Ans. is 'b' i.e., Synol "The eighth, ninth and tenth ribs are attached anteriorly to each other and to the seventh rib by their costalcailages and small synol joints" Clinical anatomy.The first costal cailages aiculate with the manubrium by primary cailaginous joints that permit no movement. Second to seventh costal cailages aiculate with sternum by synol joints.Fifth to ninth costal cailages aiculate with one another by synol joints.The tenth coilage is united to the ninth by fibrous joints.The cailages of eleventh and twelfth ribs are embedde in the abdominal musculature.