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
Congenital deafness may or may not be genetic. For example, it may be associated with a white forelock and different colored eyes, caused by a genetic disease called Waardenburg syndrome. Congenital deafness may also be due to something such as the rubella virus to which the mother was exposed during pregnancy.