| unimolecular step | <chemistry> A reaction involving one species (09 Jan 1998) |
|---|---|
| unimuscular | <zoology> Having only one adductor muscle, and one muscular impression on each valve, as the oyster; monomyarian. Origin: Uni- muscular. Source: Websters Dictionary (01 Mar 1998) |
| uninducible mutant | A mutant that cannot be induced. (05 Mar 2000) |
| unineme hypothesis | <cell biology, molecular biology> This states that that a chromatid has only one DNA duplex, which goes from one end of the chromatid to the other. (09 Oct 1997) |
| unineme theory | <cell biology> Theory that proposes that each chromosome (before S phase) consists of a single strand of DNA. Now generally accepted and being noncontroversial the term has fallen into disuse. (18 Nov 1997) |
| uninhibited neurogenic bladder | A condition, either congenital or acquired, of abnormal bladder function whereby normal inhibitory control of detrusor function by the central nervous system is impaired or underdeveloped, resulting in precipitant or uncontrolled micturition and/or anuresis. (05 Mar 2000) |
| uninterrupted suture | An uninterrupted series of stitches using one suture; the stitching is fastened at each end by a knot. Synonym: spiral suture, uninterrupted suture. (05 Mar 2000) |
| uninuclear | Uninucleate Having but one nucleus. Compare: mononuclear. (05 Mar 2000) |
| uninucleated | <biology> Possessed of but a single nucleus; as, a uninucleated cell. Origin: Uni- + nucleated. Source: Websters Dictionary (01 Mar 1998) |
| unio | <zoology> Any one of numerous species of fresh water mussels belonging to Unio and many allied genera. Origin: NL, fr. L. Unio unity, union, a single large pearl. See Union. Source: Websters Dictionary (01 Mar 1998) |
| uniocular | 1. Relating to one eye only. 2. Having vision in only one eye. (05 Mar 2000) |
| union | 1. The joining or amalgamation of two or more bodies. 2. The structural adhesion or growing together of the edges of a wound. Origin: L. Unus, one Autogenous union, in dentistry, the union of two pieces of metal without solder. (05 Mar 2000) |
| unioval | Uniovular Relating to or formed from a single ovum. (05 Mar 2000) |
| uniovular twins | Identical twins, twins which are the result of a single zygote (fertilized egg) splitting into two cell masses and becoming two individuals. The twins are genetically identical and are always of the same sex (both males or both females). Compare: dizygotic twins. (09 Oct 1997) |
| uniovulate | <botany> Containing but one ovule. Origin: Uni- + ovulate. Source: Websters Dictionary (01 Mar 1998) |