Abstract
The classical trichromic method of Masson for diferential staining of tissue elements was simplified by substitution of Ponceau 2R for Ponceau 3R and substitution of Harris'hematoxylin for Regaud's hematoxylin. Use of picrid acíd, iron alumen and heating of solutíon's reagent was spared. The time spent in staining was apprecíably reduced and appearence of tíssue structures was improved. Repeated testing showed that the modifications proposed are feasible.
References
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2. COWDRY, E. V. - Laboratory technique in biology and medicine. 2nd ed. Baltimore, Williams & Wilkins. 1943. p. 146-7.
3. DAVENPORT, A.H. - Histological and h.istoctiemicai tecnics. Philadelphia, Saunders [c1960]. p. 245-6.
4. ESTADOS UNIDOS. Armed Forces Institutc of Pathology. Manual o] histologic and special staining technics. Washington D.C., 1957. p. 67-8.
5. HUMASON, G.L. - Animal tissue techni-· ques . San Francisco, W . H . Freeman [cI962]. p. 152-3.
6 LILLIE, R.D. - HistopathologiC technic and practical histochemistry. 3th ed. New York, McGraw-Hill [cI955]. p. 545-6.
This work is licensed under a Creative Commons Attribution 4.0 International License.
Copyright (c) 1975 Instituto Adolfo Lutz Journal
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