The cells at the surface of hydra undergo mitosis and form a mass called a bud. Mitosis continues in the cells of the bud and this grows into a new individual. The same division happens during asexual reproduction or vegetative propagation in plants.
Find out more about the six main symptoms of acoustic neuromas (vestibular schwannomas). The symptoms include hearing loss, tinnitus, vertigo, imbalance, pressure, and facial weakness and numbness. Skip Navigation
Healthgrades Editorial Staff. Acoustic neuroma (also called vestibular schwannoma) is a tumor in the tissue that surrounds the nerve that connects the inner ear to the brain.It is usually a benign tumor but it can eventually lead to hearing loss because the tumor presses against the nearby auditory nerve.ind a Top Neurologist Near You. If your tumor is very small and does not cause symptoms, your doctor may choose to watch and wait, that is, to monitor the tumor carefully to ensure that it does not grow. Radiation and surgery are other treatment options.