例句
同义词
柯林斯高阶英汉双解学习词典释义
英汉词典释义
英英词典释义
  • Noun
    1. a part of the cell containing DNA and RNA and responsible for growth and reproduction
    2. the positively charged dense center of an atom
    3. a small group of indispensable persons or things;
    "five periodicals make up the core of their publishing program"
    4. (astronomy) the center of the head of a comet; consists of small solid particles of ice and frozen gas that vaporizes on approaching the sun to form the coma and tail
    5. any histologically identifiable mass of neural cell bodies in the brain or spinal cord
行业词典
  • 人体组织学: 细胞核;
    冶金学: 晶核;
    医学: 〔复nuclei〕细胞核:细胞内的圆形体,系光学显微镜下可见的结构,有一层薄的核膜,一个或几个核仁,不规则的染色质颗粒和核丝,以及弥漫的核质;神经核,核:一般指位于中枢神经内的一群神经细胞,与某一神经的纤维有直接的关系;核:于有机化学,指形成某种特殊化合物或一组化合物分子的基本构架的中心成分的原子组合;核,原子核:见atomic n.;
    心理学: 细胞核;
    生物学: [细]胞核;又称 :[细]胞核(nuclei(复) );
    解剖学: 神经核;又称 :神经核(Nucleus(拉));