n.血红素

Haem is an essential component of haemoglobin, which is responsible for oxygen transport in red blood cells.
血红素是血红蛋白的重要组成部分，血红蛋白负责在红细胞中运输氧气。
The synthesis of haem takes place in the bone marrow and liver.
血红素的合成在骨髓和肝脏中进行。
Haemophilia is a genetic disorder that results from a deficiency of certain clotting factors in the blood, not related to haem directly but affecting blood function.
血友病是一种遗传性疾病，由于血液中某些凝血因子缺乏导致，虽然并非直接与血红素有关，但影响血液功能。
During the breakdown of old red blood cells, haem is converted into bilirubin, which is later excreted through bile.
在旧红细胞分解过程中，血红素被转化为胆红素，随后通过胆汁排出体外。
Dietary iron is essential for the production of haem in the body.
饮食中的铁对于体内血红素的生成至关重要。
Haemodialysis machines use synthetic membranes that are permeable to haem but not to large proteins.
血液透析机使用的是对血红素可渗透但对大分子蛋白质不可渗透的人工膜。
In Myoglobin, another oxygen-binding protein found in muscle cells, haem plays a crucial role.
在肌肉细胞中存在的另一种氧结合蛋白肌红蛋白中，血红素也起着至关重要的作用。
A haemorrhage can lead to a significant decrease in haem levels within the body.
出血可能导致体内血红素水平显著下降。
Iron supplementation is often recommended for those with low haem levels or anaemia.
对于血红素水平低或贫血的人群，通常建议补充铁剂。
Haem-oxygenase is an enzyme that catalyzes the degradation of haem into carbon monoxide, biliverdin, and free iron.
血红素氧化酶是一种催化血红素降解为一氧化碳、胆绿素和游离铁的酶。