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
Causes of Deafness at a glance. 1  1Hereditary deafness is most likely to affect dogs who have white or spotted coats such as Dalmatians. 2  2Ear infections are a common reason for temporary deafness, which can be treated with medication.  3Check your dogâs ears regularly for signs of inflammation.