| donor 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) |
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| carbon-nitrogen ligases with glutamine as amide-n-donor | <enzyme> Enzymes that catalyze the joining of glutamine-derived ammonia and another molecule. The linkage is in the form of a carbon-nitrogen bond. Registry number: EC 6.3.5 (12 Dec 1998) |
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| proton donor | <chemistry> An acid, a susbstance that donates protons in an acid-base reduction reaction. (10 Jan 1998) |
| hydrogen donor | A metabolite from which hydrogen is removed (by a dehydrogenase system) and transferred by a hydrogen carrier to another metabolite, which is thus reduced. (05 Mar 2000) |
| donor | <biology> An individual organism that supplies living tissue to be used in another body, as a person who furnished blood for transfusion or an organ for transplantation in a histocompatible recipient. (15 Nov 1997) |
| donor splice junction | <molecular biology> The junction between an exon and an intron at the 5' end of the intron. When the intron is removed during processing of hnRNA the donor junction is spliced to the acceptor junction at the 3' end of the intron. (15 Nov 1997) |
| electron donor | A molecule or compound that gives up electrons in an oxidation-reduction reaction. (09 Oct 1997) |
| universal donor | In blood grouping, a person belonging to group O; i.e., one whose erythrocytes do not contain either agglutinogen A or B and are, therefore, not agglutinated by plasma containing either of the ordinary isoagglutinins, alpha or beta. (05 Mar 2000) |
| artificial insemination | <gynaecology> The placement of a sperm sample inside the female reproductive tract to improve the female's chances of getting pregnant. (See also intracervical insemination, intrauterine insemination, intratubal insemination). (09 Oct 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) |
| insemination | Deposit of seminal fluid within the vagina, normally during coitus. Synonym: semination. Origin: L. In-semino, pp. -atus, to sow or plant in, fr. Semen, seed Artificial insemination, the introduction of semen into the vagina other than by coitus. (05 Mar 2000) |
| insemination, artificial | Artificial introduction of semen into the vagina for the purpose of inducing conception. (12 Dec 1998) |
| insemination, artificial, heterologous | Human artificial insemination in which the semen used is that of a man other than the woman's husband. (12 Dec 1998) |
| insemination, artificial, homologous | Human artificial insemination in which the husband's semen is used. (12 Dec 1998) |
| intracervical insemination | <gynaecology> Artificial insemination of sperm into the cervical canal. (10 Jan 1998) |
| intratubal insemination | The artificial insemination of sperm cells, which have been washed free of seminal fluid, into the fallopian tubes. (09 Oct 1997) |