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.
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- Nucleo-
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.
- Nucleocapsid
[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.
- Nucleofugal
nucleofugal nu·cle·of·u·gal (nōō’klē-ŏf’yə-gəl, -ŏf’ə-, nyōō’-) adj.
- Nucleohistone
nucleohistone nu·cle·o·his·tone (nōō’klē-ō-hĭs’tōn’, nyōō’-) n. A nucleoprotein whose protein part is a histone.
- Nucleoid
[noo-klee-oid, nyoo-] /ˈnu kliˌɔɪd, ˈnyu-/ Microbiology noun 1. the central region in a prokaryotic cell, as a bacterium, that contains the chromosomes and that has no surrounding membrane. adjective 2. resembling a . nucleoid nu·cle·oid (nōō’klē-oid’, nyōō’-) n. adj. Resembling a nucleolus.