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
However, since they are located in the nervous system they exert compression on nerve cells which causes pain, weakness, and numbness. Schwannoma tumors may occur near any nerve cell in the body, so symptoms may appear according to the location where they have developed. A patient with a schwannomma may be asymptomatic or may develop pain, weakness, tingling, and numbness. A mass in the neck or extremities may appear.