cotyledons
子叶
常用释义
英音[ ˈkɒtɪliːdənz ]
美音[ ˈkɑːtɪlidnz ]
基本释义
- n. [植]子叶（cotyledon 的复数）
例句
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1·The cotyledons and the seed leaves are attached to the embryonic axis.子叶和种子叶附着在胚轴上。
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2·The embryo consists of two large fleshy cotyledons.胚有两片大而肉质的子叶。
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3·Both types of rice embryos have dimorphic cotyledons.第一类型与第二类型稻胚都具有二型子叶。
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4·The placenta should be examined for missing cotyledons or blind vessels.检查胎盘是否有小叶残余或断裂的血管。
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5·The cotyledons of the mature embryo are either green, yellow or chalky yellow.成熟胚的子叶是绿色，黄色或浅黄色。
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6·Sakers and aspirators separate the hull from the cracked cotyledons and rollers flake them .皮壳与破碎的豆瓣，通过振动筛和吸壳器彼此分离，豆瓣由滚轮压成片。
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7·The stomatal index in the adaxial epidermis changed variably during development of cotyledons.上表皮气孔指数的变化规律不明显；
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8·The genomic DNA was extracted from cotyledons of tomato named 03748 by means of advanced SDS method.利用改进的SDS法提取代号为03748的栽培番茄叶片基因组dna。
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9·Rape have established regeneration system of cotyledons, hypocotyls, protoplasts and microspore culture.油菜已经建立了子叶、胚轴、原生质体及小孢子培养的再生体系。
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10·Whether the variations in cotyledons are caused by physiological or genetic factors must await more research.子叶的变异是遗传原因还是生理影响尚需进一步研究。