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
The cause of acoustic neuroma is not well understood. For most acoustic neuromas, the cause at the level of the cellular machinery is the failure of a âgovernorâ gene to exert its effect in suppressing the growth of Schwann cells - those cells responsible for coating nerve fibers with insulation.