naturally formed, valuable masses of mineral matter found in the gallbladders of cattle that are highly sought after in traditional Asian medicine for their use in pharmaceuticals and homeopathic remedies, especially for treating strokes and other serious illnesses
permanent, pointed projections on a cow's head that consist of a layer of keratin and other proteins surrounding a core of live bone
a porous black carbon substance created by charring (heating in a sealed environment) the bones and keratinous material of cow horns
a general term for leafy green vegetables, such as kale, collards, and spinach, eaten as food