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
Acoustic Neuroma Symptoms. 1  Primary symptoms are one-sided hearing loss, ringing in the ears and problems with balance. 2  Facial numbness, facial weakness, and taste changes occur as the tumor causes pressure on the fifth and seventh cranial nerves.