nucleolar organizer region
1nucleolar organizer region — Abbreviation: NOR A chromosomal segment containing a large array of genes that encode ribosomal RNA; located at the secondary constriction of specific chromosomes …
2nucleolar organizer — Abbreviation: NO See: nucleolar organizer region …
3nucleolar organizer — n NUCLEOLUS ORGANIZER * * * nucleolus organizer nucleolar organizing region …
4Nucleolus organizer region — The nucleolus organizer region (NOR) or nucleolar organizer is a chromosomal region around which the nucleolus forms. This region is the particular part of a chromosome that is associated with a nucleolus after the nucleus divides. The region… …
5nucleolar organizing region — (NOR), nucleolus organizing region a chromosomal region, morphologically distinguishable as a secondary constriction, that encodes ribosomal RNA; it is surrounded by a fibrillar center of a nucleolus. In humans there are five, located on the… …
6nucleolar organizer — Chromosome region that is active in nucleolus formation …
7Región organizadora nucleolar — La región organizadora nucleolar (o NOR, del inglés: nucleolar organizer region) es el sitio cromosómico donde se localizan los clusters de genes ribosómicos que codifican para el ARN ribosómico y que está asociado a una constricción secundaria.… …
8organizer — 1. Originally applied to a group of cells on the dorsal lip of the blastopore, which induce differentiation of cells in the embryo and control growth and development of adjacent parts. 2. Any group of cells having such a controlling influence,… …
9NOR — Neurologic Outcome Research; noradrenaline; normal; nortriptyline; nucleolar organizer region * * * nucleolar organizing region …
10безъядрышковая мутация — anucleolate mutation безъядрышковая мутация. Mутация, при которой в геноме отсутствуют районы ядрышкового организатора <nucleolar organizer region> и, соответственно, подавлен синтез рибосомной РНК; Б.м. известны у дрозофил и шпорцевых… …
