hematoxylin
/ˌhiːməˈtɑːksɪlɪn/
noun
- A dark purple or blue dye obtained from the heartwood of the logwood tree, used especially in histology to stain cell nuclei.
- The lab technician used hematoxylin to stain the tissue sample for microscopic examination.
- Students in biology class learned how hematoxylin binds to DNA in cell nuclei.
- Hematoxylin is often combined with eosin in a common staining technique called H&E.