NUCLEOLUS (nucleoli)

Pronunciation (US):

(GB):

Irregular inflected form: nucleoli   

 Dictionary entry overview: What does nucleolus mean? 

• NUCLEOLUS (noun)
  The noun NUCLEOLUS has 1 sense:

1. a small round body of protein in a cell nucleus; such organelles contain RNA and are involved in protein synthesis

  Familiarity information: NUCLEOLUS used as a noun is very rare.

 Dictionary entry details 

• NUCLEOLUS (noun)

Sense 1

Meaning:

A small round body of protein in a cell nucleus; such organelles contain RNA and are involved in protein synthesis

Classified under:

Nouns denoting body parts

Synonyms:

nucleole; nucleolus

Hypernyms ("nucleolus" is a kind of...):

cell organ; cell organelle; organelle (a specialized part of a cell; analogous to an organ)

Holonyms ("nucleolus" is a part of...):

cell nucleus; karyon; nucleus (a part of the cell containing DNA and RNA and responsible for growth and reproduction)

 Context examples 

The chromosome region which is active in nucleolus formation and which functions in the synthesis of ribosomal RNA.

(Nucleolar Organizer Region, NLM, Medical Subject Headings)

A collection of preribosomes in the nucleolus.

(Nucleolar Granular Material, NCI Thesaurus)

Heterochromatin that is associated with the nucleolus.

(Nucleolar-Associated Chromatin, NCI Thesaurus)

Often form branching tubular structures, enlarged nuclei with prominent nucleolus.

(Mouse Islet Cell Adenoma, NCI Thesaurus/MMHCC)

In addition, IPP-204106N is able to translocate to the nucleolus and bind to nucleolar nucleolin.

(Nucleolin Antagonist IPP-204106N, NCI Thesaurus)

A rare, invasive colorectal adenocarcinoma characterized by the presence of sheets of malignant epithelial cells with vesicular nuclei, prominent nucleoli, and abundant eosinophilic cytoplasm.

(Colorectal Medullary Carcinoma, NCI Thesaurus)

It appears to extend throughout the nuclear interior from the nucleolus to the nuclear pore complexes along the nuclear periphery.

(Nuclear Matrix, NCI Thesaurus)

It is characterized by the presence of large lymphoid cells with abundant cytoplasm and prominent nucleoli.

(Adult Immunoblastic Lymphoma, NCI Thesaurus)

The nuclei show marked pleomorphism and have prominent nucleoli.

(High Grade Ductal Breast Carcinoma In Situ, NCI Thesaurus)

The undifferentiated type is characterized by the presence of cells with large vesicular nuclei with prominent nucleoli and a syncytial pattern of growth.

(Nasopharyngeal Nonkeratinizing Carcinoma, NCI Thesaurus)