out·growth 
/ˈaʊtˌgroʊθ/ noun
plural out·growths /ˈaʊtˌgroʊθ/ noun [count] 1 : something that develops or results from something else — often + of ▪ Traffic jams are often an outgrowth [=consequence, product] of poor urban planning. ▪ a natural outgrowth of our research 2 technical : something that grows out of something else
▪ an outgrowth of bone
▪ an outgrowth of bone
