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  • Title: [Functional restructuring of the ultrastructure of the giant neuron (Retzius') in the medicinal leech and the possible role of Ca++ ions in these processes].
    Author: Mashanskiĭ VF, Bazanova IS, Kazanskiĭ VV, Merkulova OS.
    Journal: Arkh Anat Gistol Embriol; 1982 Mar; 82(3):36-42. PubMed ID: 7092587.
    Abstract:
    As it has been demonstrated in the giant (Retzius') neuron of the leech (Hirudo medicinalis), at the synaptic activation for 5 sec. and 10 min., ultrastructural changes in the neuron are accompanied with an increasing number of Ca++ ions in hyaloplasm, mitochondria and cytosomes. After activation, the ultrastructural changes increase, and the number of Ca++ ions returns to the initial level. A suggestion is made on a trigger function of Ca++ ions when the neuronal ultrastructure changes under conditions of the synaptic activation.
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