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randy is now assigned to the surgical unit. He is given a piece of living tissue...

randy is now assigned to the surgical unit. He is given a piece of living tissue and asked to put it in fluid before taking the sample to the pathology lab. what essential characteristic must such fluid have so that it will not damage any cells in the tissue?
Science   Anatomy-And-Physiology   
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Answer #1

Generally, formalin is used to preserve the piece of living tissue in the pathology lab.

Formalin is a solution of formaldehyde in water. It preserves proteins and cellular organelles in a stepwise process. It penetrates tissues quickly then binds to lysine, tyrosine, asparagine, tryptophan, histidine, arginine, cysteine, and glutamine in all of the proteins present in a specimen.

Formalin also prevents any shrinking or swelling and distorting or dissolving of cellular constituents. It prevent putrefaction by bacteria and prevent autolysis.

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