Name the numbered structures:

1 : Dendrite of the (post-synaptic) neuron

2 : Axon terminal of the pre-synaptic neuron

3 : Axons terminal and Synapse area in front of the axon hillock

4 : Nissl bodies

What is another name for the cell body of a neuron? Soma

What is the function of structure 4 ? What other cellular organelles are present ?

Rough endoplasmic reticulum-protein synthesis. Mitochondria, Golgi apparatus

Where are the voltage gated calcium channels located ? And what is their function ?

In the axon terminal knob of 2 and 3 . Function is to promote calcium influx and exocytosis of the neurotransmitters