| 单词 | 卵黄 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔chalaza〕Biology One of two spiral bands of tissue in an egg that connect the yolk to the lining membrane at either end of the shell.【生物学】 卵黄系带：鸡蛋内将蛋黄和蛋壳任一端的内膜连接的两个螺旋的带状组织之一美国传统〔deutoplasm〕The nutritive substances or yolk in the cytoplasm of an ovum or other cell.滋养质：卵细胞或其他细胞的细胞质中的卵黄或营养物质美国传统〔embryonic membrane〕Any of the membranous structures closely associated with or surrounding a developing vertebrate embryo, including the amnion, chorion, allantois, and yolk sac.胚膜：任何与发育中的胚胎相关或包围胚胎的膜状结构，包括衣胞、绒膜胚囊、尿膜和卵黄囊美国传统〔heterolecithal〕Having the yolk unevenly distributed throughout the egg.异卵黄的：卵子中卵黄分布不均匀的美国传统〔isolecithal〕Having the yolk evenly distributed throughout the egg.均匀卵黄的：卵黄均匀地分布于卵的各处的美国传统〔parablast〕The nutritive yolk of a meroblastic egg.卵黄，蛋黄：不完全裂卵的营养卵黄美国传统〔vegetal pole〕The portion of an egg opposite the animal pole that contains most of the yolk.植物性极，卵黄极：与动物性极相对的、含有大部分卵黄的那部分卵美国传统〔vitellarium〕A group of glands that secrete yolk around the egg in those invertebrates, such as worms, whose eggs do not contain yolk.卵黄腺：一些脊椎动物中在卵周围分泌卵黄的一组腺，如其卵不包含卵黄的虫子美国传统〔vitelline membrane〕The membrane that develops around an oocyte in insects, mollusks, amphibians, and birds.卵黄膜：环绕昆虫、软件动物、两栖类动物和鸟类的卵母细胞生长的膜美国传统〔vitelline〕The yolk of an egg.卵黄美国传统〔vitellin〕A protein found in egg yolk.卵黄磷蛋白：存在卵黄的一种蛋白质美国传统〔vitellogenesis〕Formation of the yolk of an egg.卵黄生成作用美国传统〔vitellus〕The yolk of an egg.卵黄美国传统〔yolk stalk〕A narrow ductlike part that connects the yolk sac to the middle of the digestive tract of an embryo.卵黄柄：连接卵黄囊和胚胎消化道中部的狭窄的管状部分美国传统 |
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