| heterokeratoplasty | Keratoplasty in which the cornea from one species of animal is grafted to the eye of another species. (05 Mar 2000) |
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| heterokinesia | Executing movements the reverse of those one is told to make. Synonym: heterokinesis. Origin: hetero-+ G. Kinesis, movement (05 Mar 2000) |
| heterokinesis | 1. Differential distribution of X and Y chromosomes during meiotic cell division. Synonym: heterokinesia. Origin: hetero-+ G. Kinesis, movement hetero-+ G. Kinesis, movement (05 Mar 2000) |
| heterolactic fermentation | <chemistry> A type of lactic acid fermentation in which sugars (for example lactose, glucose) are fermented to a range of products. Compare: homolactic fermentation. (09 Oct 1997) |
| heterolalia | The habitual substitution of meaningless or inappropriate words for those intended; a form of aphasia. Synonym: heterophasia, heterophemia, heterophemy. Origin: hetero-+ G. Lalia, speech (05 Mar 2000) |
| heterolateral | Synonym: contralateral. Origin: hetero-+ L. Latus, side (05 Mar 2000) |
| heterolipids | Lipids containing N and P atoms in addition to the usual C, H, and O. Compare: homolipids. Synonym: compound lipids. (05 Mar 2000) |
| heteroliteral | Relating to stammering or the substitution of one letter for another in the pronunciation of certain words. Origin: hetero-+ L. Littera, letter (05 Mar 2000) |
| heterologous | <molecular biology> Derived from the tissues or DNA of a different species. Compare: autologous, homologous. (18 Nov 1997) |
| heterologous antiserum | An antiserum that reacts with (e.g., agglutinates) certain microorganisms or other complexes of antigens, even though the antiserum was produced by means of stimulation with a different microorganism or antigenic material. See: homologous antiserum. (05 Mar 2000) |
| heterologous desensitization | Stimulation by one agonist which leads to a broad pattern of unresponsiveness to further stimulation by a variety of other agonists. (05 Mar 2000) |
| heterologous graft | <surgery> A surgical graft of tissue from one species onto or into individuals of unlike species, genus or family. Also know as a heteroplastic graft. See: xenotransplantation. (11 May 1997) |
| heterologous insemination | Artificial insemination with semen from a donor who is not the woman's husband. Synonym: donor insemination. Homologous insemination, artificial insemination with the husband's semen. (05 Mar 2000) |
| heterologous protein | A protein that differs from any protein normally found in the organism in question. Synonym: heterologous protein. (05 Mar 2000) |
| heterologous serotype | An antibody that was induced by one antigen and reacts with another antigen. (05 Mar 2000) |