microtome (redirected from ultramicrotome)

microtome /mi·cro·tome/ (mi´krah-tom) an instrument for cutting thin sections for microscopic study.

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mi·cro·tome (mkr-tm)

n.

An instrument that is used to cut a specimen, as of organic tissue, into thin sections for microscopic examination. Also called histotome.

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microtome

an instrument for making thin sections for microscopic study.

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freezing microtome

one for cutting frozen tissues.

rotary microtome

one in which wheel action is translated into a back-and-forth movement of the specimen being sectioned.

sliding microtome

one in which the specimen being sectioned is made to slide on a track.