| heteroalleles | Genes that have undergone mutation at different nucleotide positions and therefore result from different mutational events. Compare: eualleles. (05 Mar 2000) |
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| heteroantibody | Antibody that is heterologous with respect to antigen, in contradistinction to isoantibody. (05 Mar 2000) |
| heteroantiserum | Antiserum developed in one animal species against antigens or cells of another species. (05 Mar 2000) |
| heteroatom | An atom, other than carbon, located in the ring structure of an organic compound, as the N in pyridines or pyrimidines (heterocyclic compounds). (05 Mar 2000) |
| heteroblastic | <plant biology> Having the adult parts of the plant (especially the leaves) distinctly different in form from the juvenile parts. (09 Oct 1997) |
| heterocarpism | <botany> The power of producing two kinds of reproductive bodies, as in Amphicarpaea, in which besides the usual pods, there are others underground. Origin: Hetero- + Gr. Fruit. Source: Websters Dictionary (01 Mar 1998) |
| heterocarpous | <botany> Characterised by heterocarpism. Source: Websters Dictionary (01 Mar 1998) |
| heterocellular | Formed of cells of different kinds. (05 Mar 2000) |
| heterocentric | 1. Having different centres; said of rays that do not meet at a common focus. Compare: homocentric. Synonym: allocentric. Origin: hetero-+ G. Kentron, centre (05 Mar 2000) |
| heterocephalus | Conjoined twins with heads of unequal size. See: conjoined twins. Origin: hetero-+ G. Kephale, head (05 Mar 2000) |
| heterocera | <zoology> A division of Lepidoptera, including the moths, and hawk moths, which have the antennae variable in form. Origin: NL, fr. Gr. Other + horn Source: Websters Dictionary (01 Mar 1998) |
| heterocercal | <anatomy> Having the vertebral column evidently continued into the upper lobe of the tail, which is usually longer than the lower one, as in sharks. Origin: Hetero- + Gr. Tail. Source: Websters Dictionary (01 Mar 1998) |
| heterocercy | <anatomy> Unequal development of the tail lobes of fishes; the possession of a heterocercal tail. Origin: Hetero- + Gr. A tail. Source: Websters Dictionary (01 Mar 1998) |
| heterocheiral | Heterochiral Relating to or referred to the other hand. Origin: hetero-+ G. Cheir, hand (05 Mar 2000) |
| heterochromatic | Characteristic of heterochromatin. (05 Mar 2000) |