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nchsls:c:histopathology:document:wdi_of_microtomy

MICROTOME

  • Bring the blocks on ice plate during cutting. Do rough cutting.
  • Trim the blocks after putting the blocks on the ice for 15 mins.
  • First smaller tissues are cut after that bigger tissues are cut.
  • Set temperature at 60c in water bath.
  • Insert the appropriate sharp knife (disposable) into the microtome at 45 degree angle.
  • Before making ribbon of section tight all the screw of microtome.
  • TO make the section ribbon set the thickness of about 5-7 micrometer.
  • The ribbon is directly transferred to water bath heated up to 5-6 degree below the melting point of wax.
  • Remove the creases from the ribbon and take the ribbon containing single large section or two to three sections on albumenized slide leaving preferably ¾ inch at one end for label and ½ inch on another end.
  • If during removing creases any damage to the section occur then ribbon should be discarded.
  • Give the same number on the slide as on the block.
  • Put the slides rack in to the incubator at 60 degree temperature for 2 hrs.
  • Give xyline bath for clearing for 40 mins.
  • Rehydrate the sections by putting the slides in to increasing alcohol concentration and lastly in water.
  • Now stain the sections according to standard guidelines of different types of staining procedures.
nchsls/c/histopathology/document/wdi_of_microtomy.txt · Last modified: 2022/08/13 07:34 (external edit)