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HOPS stain

In histology, the HOPS stain is a way of marking tissue for microscopic examination. HOPS is an acronym for haematoxylin, orcein, phyloxin and saffron.[1]

Appearance of tissues stained with HOPS

  • nuclei appears blue (haematoxylin)
  • elastin appears black (orcein)
  • muscle appears red (phyloxin)
  • connective tissue appears yellow (saffron)


  1. ^ Perry JR, Bilbao JM, Gray T (1992). "Fatal basilar vasculopathy complicating bacterial meningitis". Stroke 23 (8): 1175-8. PMID 1636194. Free Full Text.
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "HOPS_stain". A list of authors is available in Wikipedia.
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