Medical Definition of resection. : the surgical removal of part of an organ or structure pancreatic resection resection of the lower bowel resection of a tumorâsee abdominoperineal resection, mikulicz resection, segmental resection, wedge resection.
Small crystals of calcium float in the fluid in the inner ear. These crystals can get into the semicircular canals and cause vertigo. When you change the position of your head, they then strike against nerve endings in the semicircular canals and cause the feelings of spinning.
You may also feel out of balance when standing or walking. Labyrinthine concussion or injury to the nerve to the vestibular system are also causes of vertigo and imbalance after brain injury. Traumatic endolymphatic hydrops occurs when there is a disruption of the fluid balance within the inner ear.