. . "Marrow"@en . "Marrow (Sarah), is a fictional Marvel Comics character associated with the X-Men franchise. She is a mutant whose bones grow out of her skin and can be removed from her body, providing her with potential knives and clubs as well as body armor.As a child, Marrow was taken in by the Morlocks, a band of grotesque-looking mutants who hid in tunnels beneath New York City."@en . .