any of a group of proteins, containing phosphorus, that occur in the nuclei of living cells
nuclein nu·cle·in (nōō’klē-ĭn, nyōō’-)
Any of the substances present in the nucleus of a cell, consisting chiefly of proteins, phosphoric acids, and nucleic acids.
- Nuclei nervi vestibulocochlearis
nuclei nervi vestibulocochlearis nuclei ner·vi ves·tib·u·lo·coch·le·ar·is (nûr’vī vě-stĭb’yə-lō-kŏk’lē-âr’ĭs) pl.n. The combined cochlear and vestibular nuclei.
- Nuclei of origin
nuclei of origin pl.n. Collections of motor neurons forming a column continuous in the spinal cord but discontinuous in the medulla and pons and giving origin to the spinal and cranial motor nerves. Also called motor nuclei.
1. a combining form representing nucleus, nuclear, or nucleic acid, in compound words: nucleoprotein. combining form 1. nucleus or nuclear: nucleoplasm 2. nucleic acid: nucleoprotein nucleo- or nucle- pref.
[noo-klee-uh-kap-sid, nyoo-] /ˌnu kli əˈkæp sɪd, ˌnyu-/ noun, Microbiology. 1. the nucleic acid core and surrounding of a virus; the basic viral structure. nucleocapsid nu·cle·o·cap·sid (nōō’klē-ō-kāp’sĭd, nyōō’-) n. The basic structure of a virus, consisting of a core of nucleic acid enclosed in a protein coat.