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  • Title: Microtubules, dendritic spines and spine appratuses.
    Author: Westrum LE, Jones DH, Gray EG, Barron J.
    Journal: Cell Tissue Res; 1980; 208(2):171-81. PubMed ID: 6996822.
    Abstract:
    Using techniques for enhanced microtubular preservation, including albumin pretreatment (Gray, 1975), occipital cortex of rats was studied electron microscopically at various ages of development. A close structural relationship was seen between microtubules, sacs of SER and the postsynaptic "thickening" in primordial spines and with the dense "plate" material of spine apparatuses. Stereoscopic preparations in addition show a more complicated substructure than previously described for the "plate". Microtubules may contribute to the formation of the "plate" of the spine apparatus which in turn is associated with the postsynaptic "thickening" of the mature spine. Possible functional correlates are discussed.
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