NUCLEOLAR ORGANIZER

Pronunciation (US):

(GB):

 Dictionary entry overview: What does nucleolar organizer mean? 

• NUCLEOLAR ORGANIZER (noun)
  The noun NUCLEOLAR ORGANIZER has 1 sense:

1. the particular part of a chromosome that is associated with a nucleolus after nuclear division

  Familiarity information: NUCLEOLAR ORGANIZER used as a noun is very rare.

 Dictionary entry details 

• NUCLEOLAR ORGANIZER (noun)

Sense 1

Meaning:

The particular part of a chromosome that is associated with a nucleolus after nuclear division

Classified under:

Nouns denoting body parts

Synonyms:

nucleolar organiser; nucleolar organizer; nucleolus organiser; nucleolus organizer

Hypernyms ("nucleolar organizer" is a kind of...):

anatomical structure; bodily structure; body structure; complex body part; structure (a particular complex anatomical part of a living thing and its construction and arrangement)

Holonyms ("nucleolar organizer" is a part of...):

chromosome (a threadlike strand of DNA in the cell nucleus that carries the genes in a linear order)

 Context examples 

In the nucleolus rRNA is transcribed from a nucleolar organizer, i.e., a group of tandemly repeated chromosomal genes which encode rRNA and which are transcribed by RNA polymerase I.

(Nucleolus, NCI Thesaurus)

Nucleolar organizer regions (NORs), which are loops of DNA containing ribosomal RNA genes, have been shown to correlate with cell proliferation and malignant transformation.

(Nucleolar Organizer Region, NCI Thesaurus)