Synapse — Free Biology Illustration

Biology

Synapse

Close-up schematic of a chemical synapse between two neurons, showing a bulb-shaped presynaptic axon terminal facing a postsynaptic receiving membrane across a very narrow synaptic cleft. The presynaptic terminal contains many tiny round synaptic vesicles clustered near the membrane and may also include a few oval or bean-shaped mitochondria and subtle membrane protein details. The postsynaptic side is slightly thickened, gently curved to distinctly folded or undulating, and shows receptor-like dots or protein shapes embedded along the membrane. The two membranes are closely opposed and rendered as a compact simplified clipart-style junction in soft beige, pink, purple, and blue tones, with the cleft clearly visible.

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