Humans and mice can regenerate missing rib - Futurity: Mammals can’t regenerate lost limbs like salamanders can, but they can repair large sections of their ribs.
Using CT imaging, researchers monitored the healing of a human rib that had been partially removed by a surgeon. The eight centimeters of missing bone and one centimeter of missing cartilage did partially repair after six months.
To better understand this repair process, they surgically removed sections of rib cartilage—ranging from three to five millimeters—from mice.
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