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  • Title: Etched surfaces of plastic embedded and frozen hydrated gastrointestinal tissue.
    Author: Carr KE, Hayes TL, McKoon M, Bastacky SJ, Kamel HM.
    Journal: J Submicrosc Cytol; 1984 Apr; 16(2):219-26. PubMed ID: 6371257.
    Abstract:
    Scanning electron microscopy (SEM) is most often used to describe the structure of natural surfaces, but it can also be used to examine surfaces created artificially by sectioning or cryofracture. When plasma etched resin sections are studied, the SEM combines some of the functions of a light microscope and a transmission electron microscope. When etched frozen hydrated tissue is examined the groundwork is laid for the use of X-ray microanalysis for the study of elemental concentrations in tissue unexposed to chemical agents of any kind. Examples are given of the study of jejunum and stomach with these two techniques. The results are integrated with data from conventional SEM images to produce composite diagrams which assist with the interpretation of function and topographical morphology.
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