Home > Skeletal System > Bones of the Chest and Upper Back > Xiphoid Process of Sternum. The xiphoid process is the smallest and most inferior region of the sternum, or breastbone. At birth, it is a thin, roughly triangular region of cartilage that slowly ossifies into a bone and fuses with the body of the sternum.
Some of the most prevalent diseases known to cause deafness include meningitis, Meniere'mÃ©niÃ¨re S, Disease Alport, syndrome, rubella and. Mumps there are two main causes of, deafness these are congenital and. acquired
Ear/Hearing disorders: 1  Progressive hearing loss (from early hearing loss to profound deafness) 2  Sudden hearing losses. 3  Otosclerosis. 4  Chronic ear infections (draining, cholesteatoma, ear canal infections) 5  Tumors of the ear canal or middle ear.