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A counterstain is a stain with colour contrasting to the principal stain, making the stained structure easily visible using a microscope. Examples include the malachite green counterstain to the fuchsine stain in the Gimenez staining technique and the eosin counterstain to haematoxylin in the H&E stain . [ 1 ]
Eosin is most often used as a counterstain to haematoxylin, imparting a pink or red colour to cytoplasmic material, cell membranes, and some extracellular structures. It also imparts a strong red colour to red blood cells. Eosin may also be used as a counterstain in some variants of Gram staining, and in many other protocols.
Counterstain, which is usually positively charged safranin or basic fuchsine, is applied last to give decolorized gram-negative bacteria a pink or red color. [3] [20] Both gram-positive bacteria and gram-negative bacteria pick up the counterstain. The counterstain, however, is unseen on gram-positive bacteria because of the darker crystal ...
Safranin is used as a counterstain in some staining protocols, colouring cell nuclei red. This is the classic counterstain in both Gram stains and endospore staining. It can also be used for the detection of cartilage, [2] mucin and mast cell granules. Safranin typically has the chemical structure shown at right (sometimes described as dimethyl ...
The Hindustani language employs a large number of profanities across the Hindi-speaking diaspora. Idiomatic expressions, particularly profanity, are not always directly translatable into other languages, and make little sense even when they can be translated. Many English translations may not offer the full meaning of the profanity used in the ...
Pages in category "Hindi words and phrases" The following 100 pages are in this category, out of 100 total. This list may not reflect recent changes. A. Aam Aadmi;
Hinglish is the macaronic hybrid use of English and Hindi. [1] [2] [3] [4] [5] Its name is a portmanteau of the words Hindi and English. [6]In the context of spoken ...
Hindustani, also known as Hindi-Urdu, like all Indo-Aryan languages, has a core base of Sanskrit-derived vocabulary, which it gained through Prakrit. [1] As such the standardized registers of the Hindustani language (Hindi-Urdu) share a common vocabulary, especially on the colloquial level. [ 2 ]