Degeneration

Question 1

Describe Transneuronal degeneration.

Answer 1

1. Axotomy: axon of a neuron is cut.
2. Anterograde Degeneration: distal portion of damaged neuron degenerates.
3. Retrograde Degeneration: proximal portion of damaged neuron may degenerate.
4. Transneuronal Degeneration: neurons that synapsed on the damaged neuron may degenerate.