After an amphibian hatches from an egg they begin life as a <span>tadpole or larva</span>
Increase? If you think of Shane Koyzcan's poem of "When I was a Kid" he states, 'I get altitude sickness just for standing up for myself'
The glial cells forming myelin sheaths are called oligodendrocytes in the central nervous system and Schwann cells in the peripheral nervous system. The gaps (approximately 1 micrometer wide) formed between myelin sheath cells long the axons are called Nodes of Ranvier.
hope this helps :p
