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.
In this video Sue discusses her Achilles bone spur surgery and overall experience at University Foot and Ankle Institute. Retrocalcaneal exostosis (also known as an Achilles bone/heel spur) is the overgrowth of bone on the back of the heel. This painful condition is often related to the chronic tugging of a tight Achilles tendon on the heel bone (calcaneus). The bone spurs can destroy the attachment of the Achilles tendon so it is important to seek proper medical attention at the onset of the condition.