Figure 3.4

An illustration depicts the features of neurotransmission using neuropeptides. The mid part of the transmitter side of the neuron contains the nucleus, which contains the gene and a precursor mRNA. The nucleus is surrounded by the rough endoplasmic reticulum, which is followed by a chain of mature mRNA and ribosomes. The gene transmits information to the precursor mRNA. The transmission from the endoplasmic reticulum to the Golgi apparatus continues, followed by Golgi apparatus processing and packing. Through the synapse, precursor proteins are transferred from the axon to the receptors. During the transmission, the large vesicle with precursor protein breaks down and liberation of neuropeptide occurs.

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