The recognition of Cajal's 'neuron doctrine' (rewarded with the ... chemical transmission was rapid enough to account for impulse transmission in the brain. Led by John Eccles, they marshaled ...

(1) A nerve impulse arrives. (2) This causes calcium ion channels to open, resulting in an influx of calcium ions in the terminal. (3) This causes synaptic vesicles to fuse with the terminal ...

Receptor in the skin detects a stimulus (the change in temperature). Sensory neuron sends electrical impulses to a relay neuron, which is located in the spinal cord of the CNS. Relay neurons ...