| 血红蛋白 | xuè hóng dàn bái | hemoglobin | ![]() |
| 血红素 | xuè hóng sù | (biochemistry) heme / (Tw) hemoglobin | ![]() |
| 血色素 | xuè sè sù | hematin (blood pigment) / heme / hemoglobin / also written 血紅蛋白|血红蛋白[xue4 hong2 dan4 bai2] | ![]() |
| 卟啉 | bǔ lín | porphyrin (organic chemical essential to hemoglobin and chlorophyll) (loanword) | ![]() |
