| auxins | Organic compounds found in plant sprouts. They promote tissue growth through cell elongation rather than multiplication. (12 Dec 1998) |
|---|---|
| auxo- | See: auxano-. (05 Mar 2000) |
| auxocardia | 1. Enlargement of the heart, either by hypertrophy or dilation. 2. Diastole of the heart. Origin: auxo-+ G. Kardia, heart (05 Mar 2000) |
| auxochrome | <biochemistry> This is a group of atoms attached to a chromophore which modifies the ability of that chromophore to absorb light. (09 Oct 1997) |
| auxodrome | A course of growth as plotted on a Wetzel grid. Origin: auxo-+ G. Dromos, course (05 Mar 2000) |
| auxoflore | An atom or group of atoms that, by its presence in a molecule, shifts the latter's fluorescent radiation in the direction of the shorter wavelength, or increases the fluorescence. Compare: bathoflore. (05 Mar 2000) |
| auxogluc | An atomic grouping that, when present in a molecule, intensifies its sweetness. Origin: G. Auxano, to increase, + glykys, sweet (05 Mar 2000) |
| auxostat | <cell culture> A system for a continuous culture in which a component of the system is set and the other parameters are adjusted to maintain the culture's growth. (02 Jan 1998) |
| auxotonic | Denoting the condition in which a contracting muscle shortens against an increasing load. Compare: isometric, isotonic. (05 Mar 2000) |
| auxotox | An atomic grouping that, when present in a molecule, intensifies its poisonous characteristics. Origin: G. Auxano, to increase, + toxikon, poison (05 Mar 2000) |
| auxotroph | <biology> Mutant that differs from the wild type in requiring a nutritional supplement for growth. A deficiency mutant. (02 Jan 1998) |
| auxotrophic | Pertaining to an auxotroph. (05 Mar 2000) |
| auxotrophic mutant | Mutant with a nutritional requirement not present in the wild type organism. Synonym: defective organism, deficiency mutant. (05 Mar 2000) |
| auxotrophic strains | Strain's which are derived from the prototrophic strain but which require extra growth factors. (05 Mar 2000) |
| auxotyping | <technique> Method for strain typing Neisseria by checking their requirements for specific nutrients in defined media. (02 Jan 1998) |