Synopsis
The presence of acetylcholinesterase in the trigeminal ganglion of the rat has been investigated at the light and electron microscope levels using Karnovsky and Roots's method.
The acetylcholinesterase reaction was mainly localized in the neuron. In the nerve cell body, the reaction was observed:
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(1)
as small electron opaque dots corresponding to fixed or free ribosomes;
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(2)
either on the membrane of or within the smooth-surfaced endoplasmic reticulum or both;
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(3)
either on the membrane of or within the large vesicles or both;
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(4)
in the ‘labyrinthine structure’ at the junction of the capsular cells and nerve cell bodies; and
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(5)
on the nuclear envelope.
In the nerve fibre, whether myelinated or unmyelinated, the acetylcholinesterase reaction was confined to the axolemma and to the neurotubules.
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Matsuura, H., Fujita, K. The ultrastructural localization of acetylcholinesterase in the trigeminal ganglion of the rat. Histochem J 1, 176–184 (1968). https://doi.org/10.1007/BF01002587
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DOI: https://doi.org/10.1007/BF01002587