limb bud

n.

A mesenchymal outgrowth covered with ectoderm on the flank of an embryo that gives rise to either the forelimb or the hindlimb.

Words nearby limb bud

liman, limassol, limavady, limaçon, limb, limb bud, limb lead, limb-girdle muscular dystrophy, limba, limbate, limbed