haematoidin
/ˌhiːməˈtɔɪdɪn/
noun
- A yellow or orange pigment produced when hemoglobin breaks down, often found in bruises or old blood clots.
- Doctors can detect haematoidin in old blood samples to estimate the age of an injury.
- The lab report showed traces of haematoidin in the tissue sample.
- The bruise turned yellow as haematoidin formed under the skin.