- 红细胞沉降率 hóngxìbāochénjiànglǜ erythrocyte sedimentation ratethe rate at which red blood cells in a sample of blood settle at the bottom of a tube, commonly abbreviated as ESR
- 红细胞生成素 hóngxìbāoshēngchéngsù erythropoietina hormone secreted by the kidneys that stimulates the production of red blood cells by the bone marrow