Male-sterility mainly results from the abnormality of mesospore,tapetum tissue and vascular bundle.
中层
、绒毡层
及药隔维管束异常均是雄性败育的因素。
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何讲话 All right, as a quick recap, sideroblastic anemia happens when there is either a congenital abnormality or an acquired cause, like vitamin B6 deficiency, excessive alcohol use or lead poisoning, which leads to an inability to incorporate iron to form heme.
好,快速回顾一下:铁粒幼细胞性贫血可由先天性缺陷或获得性原因导致,如维生素B6的缺乏、过度饮酒或铅中毒,均会导致机体无法结合铁形成血红素。