nucleotidyltransferase nu·cle·o·ti·dyl·trans·fer·ase (nōō’klē-ə-tīd’l-trāns’fə-rās’, -rāz’, nyōō’-)
Any of various enzymes that catalyze the transfer of nucleotide residues from nucleoside diphosphates or triphosphates into dimer or polymer forms.
nucleotoxin nu·cle·o·tox·in (nōō’klē-ə-tŏk’sĭn, nyōō’-) n. A toxin acting upon the cell nuclei.
[noo-klee-uh s, nyoo-] /ˈnu kli əs, ˈnyu-/ noun, plural nuclei [noo-klee-ahy, nyoo-] /ˈnu kliˌaɪ, ˈnyu-/ (Show IPA), nucleuses. 1. a central part about which other parts are grouped or gathered; core: A few faithful friends formed the nucleus of the club. 2. Biology. a specialized, usually spherical mass of protoplasm encased in a double membrane, […]
noun 1. . noun 1. any instrument used to measure the size and number of dust particles per unit volume in the atmosphere.
- Nucleus fastigii
nucleus fastigii nucleus fas·tig·i·i (fā-stĭj’ē-ī’, -stī’jē-) n. The most medial of the deep cerebellar nuclei, near the midline in the white matter underneath the vermis of the cerebellar cortex, receiving axons of Purkinje cells and fibers from the vestibular nerve and nuclei.