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.
Fibrous dysplasia (FD) is a skeletal disorder in which bone-forming cells fail to mature and produce too much fibrous, or connective, tissue. Areas of healthy bone are replaced with this fibrous tissue.ibrous dysplasia is caused by a defective gene in the cells that form bone and other affected tissues. The defect occurs at some point after conception, most likely early in fetal development.