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→Artifacts: delinked
File:Histopathology of cardiac muscle with contamination from thyroid tissue.jpg|Cardiac muscle (bottom) with '''contamination''' from thyroid tissue (center).
File:Crush artifact from forceps.jpg|'''Crush''' artifact from compression by forceps on the tissue sample.
File:Skin with folds and crush artifact by needle.jpg|'''Folding''' artifacts (white arrows) and a crush artifact (black arrow, with [[cytoplasmic hypereosinophilia]] and [[nuclear pleomorphism]]) from a needle.
File:Tearing artifacts in histopathology.jpg|'''Tearing''' artifacts, such as can be caused by:<br>- Microtomy with a nick or blemish in the knife edge.<ref name="TaqiSami2018">{{cite journal|last1=Taqi|first1=SyedAhmed|last2=Sami|first2=SyedAbdus|last3=Sami|first3=LateefBegum|last4=Zaki|first4=SyedAhmed|title=A review of artifacts in histopathology|journal=Journal of Oral and Maxillofacial Pathology|volume=22|issue=2|year=2018|pages=279|issn=0973-029X|doi=10.4103/jomfp.JOMFP_125_15}}</ref><br>- Traction of the sections.<br>- Too much or too little alcohol dehydration.<ref name="TaqiSami2018"/><br>- Sectioning calcified parts, which can be decalcified or removed.<ref name="TaqiSami2018"/>
File:Microscopy of liver parenchyma with tearing artifacts.jpg|More '''tearing''' artifacts, showing that they may be more circular than fusiform.
