| s | Greek lower case letter sigma; conductivity; cross section; millisecond; molecular type or bond; pop... |
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| VB | vaginal bulb; valence bond; venous blood; ventrobasal; Veronal buffer; vertebrobasilar; viable birth... |
| H-bond | hydrogen bond |
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| SBS | Shear bond strength |
| TBS | Tensile Bond Strength |
| HMBC | heteronuclear multiple bond correlation |
| LBHB | low barrier hydrogen bond |
| heterologous | <molecular biology> Derived from the tissues or DNA of a different species. Compare: autologous, homologous. (18 Nov 1997) |
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| 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) |
| heterologous stimulus | A stimulus that acts upon any part of the sensory apparatus or nerve tract. (05 Mar 2000) |
| heterologous tumour | A tumour composed of a tissue unlike that from which it springs. (05 Mar 2000) |
| heterologous twins | Dizygotic twins are siblings who have shared a common uterine environment. They are due to fertilization of two different ova by different sperm. Dizygotic twins are also called fraternal twins. (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) |
| transplantation, heterologous | Transplantation between animals of different species. (12 Dec 1998) |
| acylmercaptan bond | A high energy bond formed by the condensation of a carboxyl group (-COOH) and a mercaptan (or thiol) group (-SH); widely formed in the course of intermediary metabolism, notably in the oxidation of fats, where the -SH is part of coenzyme A and the -COOH is part of the fatty acid being oxidised. (05 Mar 2000) |
| apolar bond | <chemistry> The attractive force between molecules due to the close positioning of non-hydrophilic portions of the two molecules. (09 Oct 1997) |
| bond | 1. That which binds, ties, fastens,or confines, or by which anything is fastened or bound, as a cord, chain, etc.; a band; a ligament; a shackle or a manacle. "Gnawing with my teeth my bonds in sunder, I gained my freedom." (Shak) 2. The state of being bound; imprisonment; captivity, restraint. "This man doeth nothing worthy of death or of bonds." 3. A binding force or influence; a cause of union; a uniting tie; as, the bonds of fellowship. "A people with whom I have no tie but the common bond of mankind." (Burke) 4. Moral or political duty or obligation. "I love your majesty According to my bond, nor more nor less." (Shak) 5. A writing under seal, by which a person binds himself, his heirs, executors, and administrators, to pay a certain sum on or before a future day appointed. This is a single bond. But usually a condition is added, that, if the obligor shall do a certain act, appear at a certain place, conform to certain rules, faithfully perform certain duties, or pay a certain sum of money, on or before a time specified, the obligation shall be void; otherwise it shall remain in full force. If the condition is not performed, the bond becomes forfeited, and the obligor and his heirs are liable to the payment of the whole sum. 6. An instrument (of the nature of the ordinary legal bond) made by a government or a corporation for purpose of borrowing money; as, a government, city, or railway bond. 7. The state of goods placed in a bonded warehouse till the duties are paid; as, merchandise in bond. 8. The union or tie of the several stones or bricks forming a wall. The bricks may be arranged for this purpose in several different ways, as in English or block bond (Fig. 1), where one course consists of bricks with their ends toward the face of the wall, called headers, and the next course of bricks with their lengths parallel to the face of the wall, called stretchers; Flemish bond (Fig.2), where each course consists of headers and stretchers alternately, so laid as always to break joints; Cross bond, which differs from the English by the change of the second stretcher line so that its joints come in the middle of the first, and the same position of stretchers comes back every fifth line; Combined cross and English bond, where the inner part of the wall is laid in the one method, the outer in the other. 9. <chemistry> A unit of chemical attraction; as, oxygen has two bonds of affinity. It is often represented in graphic formulae by a short line or dash. See Diagram of Benzene nucleus, and Valence. Arbitration bond. See Arbitration. Bond crediter, a debt contracted under the obligation of a bond. Bond (or lap) of a slate, the distance between the top of one slate and the bottom or drip of the second slate above, i. E, the space which is covered with three thicknesses; also, the distance between the nail of the under slate and the lower edge of the upper slate. Bond timber, timber worked into a wall to tie or strengthen it longitudinally. Synonym: Chains, fetters, captivity, imprisonment. Origin: The same word as band. Cf. Band, Bend. Source: Websters Dictionary (01 Mar 1998) |
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