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Ultrastructural observations on myoepithelial cells and nerve terminals in the camel Harderian gland by Ahmed Abou-Elmagd is a Neuroscience article available to read on EtoBox.

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The myoepithelial cells and the nerve terminals of the Harderian gland in the one-humped camel were examined by using the transmission electron microscope. The myoepithelial cells are well developed, and composed of a cell body containing the nucleus, and many cytoplasmic processes. The cytological features are consistent with the function of the myoepithelial cell mainly as a contractile element, and possibly as a regulator for fluid transport. They are attached to the glandular cells of the end-pieces with desmosomes and interdigitating cytoplasmic processes. Densely packed myofilaments fill most of the cytoplasm, and micropinocytosis vesicles on the inner and outer borders are prevalent. The glandular end-pieces are innervated with unmyelinated nerve terminals which have been observed in the interstitial connective tissue. Nerve terminals without neurolemmal sheath penetrating the basal lamina and forming a direct neuroglandular contact with the glandular cells were observed. These intraglandular nerve terminals were found in direct contact with the myoepithelial cells, and contained small clear vesicles and a few larger dense granules.

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Author

Ahmed Abou-Elmagd

Publisher

Springer; Springer-Verlag; Springer Verlag; J.F. Bergmann; Springer Science and Business Media LLC; Society for Mining, Metallurgy and Exploration Inc. (ISSN 0340-2061)

Published

1992

Language

EN

Field

Neuroscience (Life Sciences)