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  • Title: A presynaptic complex in the giant synapse of the squid.
    Author: Martin R, Miledi R.
    Journal: J Neurocytol; 1975 Apr; 4(2):121-9. PubMed ID: 1123651.
    Abstract:
    A presynaptic complex consisting of thin lamellae associated with vesicles was found frequently in presynaptic terminals of the squid giant synapse. The lamellae, made of osmiophilic material, had an average length and width of about 10 mum and a thickness of 30 nm; they were of rectangular shape. While most frequent in the axoplasm of the most distal, and largest, terminal of the presynaptic giant axon, the lamellae were found also in smaller terminal branches of this fibre; They have not been observed in the proximal parts of the presynaptic or postsynaptic giant axons. Vesicles the size of synaptic vesicles surrounded the sides of the lamellae. The presynaptic complex resembles the synaptic ribbons in sensory cells.
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