| 单词 | discocyte |
| 释义 | discocyteerythrocyteA mature, non-nucleated cell averaging 7–8 µm in diameter, which is round or ovoid on peripheral smear, contains haemoglobin and has a zone of central pallor due to the cell’s biconcavity. Erythrocytes are normally confined to blood vessels (aorta, arteries, arterioles, capillaries, venules, veins, inferior vena cava and superior vena cava), the heart and pulmonary vasculature. Haemoglobin, the main erythrocyte protein, is tasked with transporting O2 to tissues and CO2 away from tissues. Erythrocytes have an average lifespan of 120 days.discocyte(dĭs′kō-sīt″) [″ + ″] |
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