| nude mice | Strains of athymic mice bearing the recessive allele nu/nu which are largely hairless and lack all or most of the T-cell population. Show no rejection of either allografts or xenografts. Nu/nu alleles on some backgrounds have near normal numbers of T-cells. (18 Nov 1997) |
|---|---|
| nude mouse | A hairless mutant mouse with thymic hypoplasia, lacking T-cells. (05 Mar 2000) |
| nudibrachiate | <zoology> Having tentacles without vibratile cilia. Origin: L. Nudus naked + brachium an arm. Source: Websters Dictionary (01 Mar 1998) |
| nudibranch | <zoology> Of or pertaining to the Nudibranchiata. One of the Nudibranchiata. Source: Websters Dictionary (01 Mar 1998) |
| nudibranchiata | <marine biology> A division of opisthobranchiate mollusks, having no shell except while very young. The gills are naked and situated upon the back or sides. See Ceratobranchia. Origin: NL. See Nude, and Branchia. (19 Mar 1998) |
| nudibranchiate | <zoology> Same as Nudibranch. Source: Websters Dictionary (01 Mar 1998) |
| nudicaul | <botany> Having the stems leafless. Origin: L. Nudus naked + caulis stem. Source: Websters Dictionary (01 Mar 1998) |
| nudism | The cult or practice of living unclothed for reasons of health. In psychology it may refer to a morbid tendency of an individual to remove his or her clothing. (12 Dec 1998) |