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
Sensorineural hearing loss (also called nerve deafness). This type of hearing impairment is caused by an abnormality of the inner ear or the nerves that carry sound messages from the inner ear to the brain. The loss can be present at birth or occur shortly thereafter. If there is a family history of deafness, the cause is likely to be inherited (genetic).