A seam on the outside of a steel water tank is often an indication of the presence of a diaphragm. Both bladders and diaphragms serve the same function, creating a pressure differential using compressed air that pushes against the water, ejecting it from the tank.
Exostosis is the medical term for an abnormal growth of bone within the ear canal. It is more commonly referred to as swimmerâs or surferâs ear.xostosis symptoms of include a decrease in hearing sensitivity possibly combined with an increased prevalence of ear infections. Early symptoms include water trapping in the ear canal after swimming. Sometime thereafter, debris trapping and infections make surgery necessary.
Craniosynostosis is a birth defect of the brain characterized by the premature closure of one or more of the fibrous joints between the bones of the skull (called the cranial sutures) before brain growth is complete.Closure of a single suture is most common.In contrast to normal skull growth, in which the skull expands uniformly to accommodate the growth of the brain, premature closure of a single suture restricts the growth in that part of the skull and promotes growth in other parts of the skull where sutures remain open.raniosynostosis is a birth defect of the brain characterized by the premature closure of one or more of the fibrous joints between the bones of the skull (called the cranial sutures) before brain growth is complete.