1 De institutione musica ('On the Fundaments of Music', beginning of the 6th c.)  Eclectic treatise influenced by the ancient Greek treatises on the theory and ethics of music, such as those of Aristotle and Ptolemy, Pythagoras and Aristoxenus.
hempen, fibrous(adj) having or resembling fibers especially fibers used in making cordage such as those of jute. fibrous, sinewy, stringy, unchewable(adj) (of meat) full of sinews; especially impossible to chew.
Introduction and Definition: Fibrous dysplasia is an uncommon, benign disorder characterized by a tumor-like proliferation of fibro-osseous tissue. The cause of fibrous dysplasia is unknown. Most cases of fibrous dysplasia display no particular pattern of inheritance.