| nucleochyme | The presumably fluid substance or gel of the nucleus in which stainable elements were believed to be suspended; much that was formerly considered to be karyolymph is now known to be euchromatin. Synonym: nuclear hyaloplasm, nuclear sap, nucleochylema, nucleochyme. Origin: karyo-+ L. Lympha, clear water (05 Mar 2000) |
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| nucleocortical fibres | General term for projections from a nucleus to an overlying cortical structure; specifically used to designate axons of cerebellar nuclear cells that project to the cerebellar cortex (cerebellar nucleocortical fibres) where they end as mossy fibres. (05 Mar 2000) |
| nucleocytoplasmic transport | <cell biology, molecular biology> Transport of molecules from the nucleus to the cytoplasm. (18 Nov 1997) |
| nucleofilaments | A filamentary form of chromosome formed in low ionic strength solutions; fibres are about 100 A |
| nucleofugal | 1. Moving within the cell body in a direction away from the nucleus. 2. Moving in a direction away from a nerve nucleus; said of nerve transmission. Origin: nucleo-+ L. Fugio, to flee (05 Mar 2000) |
| nucleohistone | A complex of histone and deoxyribonucleic acid, the form in which the latter is usually found in the nuclei of cells; nucleohistone may be viewed as a salt between the basic protein and the acidic nucleic acid. (05 Mar 2000) |
| nucleoid | <cell biology> Region of cell in a bacterium that contains the DNA. (18 Nov 1997) |
| nucleoid region | Area in a prokaryotic cell that contains the genetic material. (14 Nov 1997) |
| nucleoidioplasma | <biology> Hyaline plasma contained in the nucleus of vegetable cells. Origin: NL. See Nucleus, and Idioplasma. Source: Websters Dictionary (01 Mar 1998) |
| nucleolar | <biology> Of or pertaining to the nucleolus of a cell. Source: Websters Dictionary (01 Mar 1998) |
| nucleolar chromosome | A chromosome regularly associated with a nucleolus. (05 Mar 2000) |
| nucleolar organiser | <molecular biology> Loop of DNA that has multiple copies of rRNA genes. See: nucleolus. (18 Nov 1997) |
| nucleolar zone | <molecular biology> Loop of DNA that has multiple copies of rRNA genes. See: nucleolus. (18 Nov 1997) |
| nucleolar-nuclear ratio | Ratio of volume of nucleolus to volume of nucleus, usually increased in malignant neoplasms. (05 Mar 2000) |
| nucleoli | Plural of nucleolus. (05 Mar 2000) |