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Home Q & A Board Biology-Related Homework Help Genetics and Developmental Biology
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tiger333 tiger333
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4 years ago
How do ribs grow, if they have no growing plates? Do they stop growing during to GH reduction like flat bones of the head, or like long bones due to growing plates fuse?
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Educator
4 years ago
Hi tiger333

The ribs begin as cartilage that later ossifies – a process called endochondral ossification. Primary ossification centers are located near the angle of each rib, and ossification continues in the direction away from the head and neck. During adolescence secondary ossification centers are formed in the tubercles and heads of the ribs.

Hope that helps
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