Biological process

pre-synaptic active zone assembly, pre-synaptic active zone formation, presynaptic active zone formation

The aggregation, arrangement and bonding together of a set of components to form a presynaptic active zone. The presynaptic active zone is a specialized region of the plasma membrane and cell cortex of a presynaptic neuron; encompasses a region of the plasma membrane where synaptic vesicles dock and fuse, and a specialized cortical cytoskeletal matrix.