Whether interior or exterior, sliding barn-style doors require a track and related hardware. Prices are based on the amount of weight the system can hold, size, basic durability, number of tracks (one door or two) and style (interior hardware is often more decorative).
A pathologic fracture is a bone fracture caused by disease that led to weakness of the bone structure. This process is most commonly due to osteoporosis, but may also be due to other pathologies such as: cancer, infection, inherited bone disorders,or a bone cyst.
Medical Definition of Pathology. Pathology: The study of disease. Pathology has been defined as that branch of medicine which treats of the essential nature of disease.. The word pathology comes from the Greek words pathos meaning disease and logos meaning a treatise = a treatise of disease.