Removal of a salivary gland does not produce a dry mouth, called xerostomia. However, radiation therapy to the mouth can cause the unpleasant symptoms associated with reduced salivary flow. Your doctor can prescribe medication or other conservative treatments that may reduce the dryness in these instances.
Harlequin Ichthyosis Causes. The harlequin ichthyosis is known to be genetic in nature. The ABC 12 gene, which directs the protein production that is necessary to have a normal skin growth, is being mutated which leads to this severe skin disorder. It is a gene that is responsible for the transportation of lipid.
Causes of Lordosis. There are many medical conditions that cause the spine to curve more than normal. These conditions include 2,3 1  : Achondroplasia-bones do not grow normally, leading to the short stature. 2  Spondylolisthesis-the vertebrae in the lower back slip forward. 3  Osteoporosis-vertebra become fragile and can easily be broken. 4  Obesity-can cause lordosis.