- lophA ridge of enamel connecting the cusps of a molar or cheek tooth.
- lopho-ridge, crest
- lophobranchAny member of the obsolete order Lophobranchii of fishes, now roughly corresponding to order Syngnathiformes.
- lophosteonThe central keel-bearing part of the sternum in birds, or the keel itself.
- lophulidA small crest on a tooth