nucleus

Neutrons and protons are bound together in the nucleus of an atom..在一个原子的核内，中子和质子聚合在一起。

cell nucleus,细胞核

nucleus pulposus,髓核

atomic nucleus,n. [化]原子核

crystal nucleus,晶核

caudate nucleus,[医]尾状核

paraventricular nucleus,室旁核；脑室壁核

suprachiasmatic nucleus,视交叉上核

lateral geniculate nucleus,外侧膝状体核

raphe nucleus,中缝核

amygdaloid nucleus,杏仁核；扁桃状核；杏仁巢

arcuate nucleus,弓状核；弧形核