Definition of axon. : a usually long and single nerve-cell process that usually conducts impulses away from the cell body â see neuron illustration.
Frederick Fred Cossom Hollows, was born on the 9th of April 1929 in Dunedin, New Zealand. He was an ophthalmologist who became known for his work in restoring eyesight for several thousands of people in Australia and many other countries.
Lamarck was the first biologist to propose a mechanism for evolution. He proposed that organisms acquired features as they needed them. A giraffe would require a long neck because it strove to eat leaves high up in the trees, and birds that did not like swimming, but collected food in shallow water, would develop long legs and become waders.