| side | 1. Of or pertaining to a side, or the sides; being on the side, or toward the side; lateral. "One mighty squadron with a side wind sped." (Dryden) 2. Hence, indirect; oblique; collateral; incidental; as, a side issue; a side view or remark. "The law hath no side respect to their persons." (Hooker) 3. [AS. Sid. Cf Side] Long; large; extensive. "His gown had side sleeves down to mid leg." (Laneham) Side action, in breech-loading firearms, a mechanism for operating the breech block, which is moved by a lever that turns sidewise. Side arms, weapons worn at the side, as sword, bayonet, pistols, etc. Side ax, an ax of which the handle is bent to one side. Side-bar rule, a rule authorised by the courts to be granted by their officers as a matter of course, without formal application being made to them in open court; so called because anciently moved for by the attorneys at side bar, that is, informally. Side box, a box or inclosed seat on the side of a theater. "To insure a side-box station at half price." (Cowper) Side chain, one of two safety chains connecting a tender with a locomotive, at the sides. Side cut, a canal or road branching out from the main one. Side dish, one of the dishes subordinate to the main course. Side glance, a glance or brief look to one side. Side hook, a cutting tool, used in a lathe or planer, having the cutting edge at the side instead of at the point. Side wind, a wind from one side; hence, an indirect attack, or indirect means. Source: Websters Dictionary (01 Mar 1998) |
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| side chain | A chain of noncyclic atoms linked to a benzene ring, or to any cyclic chain compound, the atoms of an alpha-amino acid other than the alpha-carboxyl group, the alpha-amino group, the alpha-carbon, and the hydrogen attached to the alpha-carbon. (05 Mar 2000) |
| side effect | <pharmacology> A consequence other than the one for which an agent or measure is used, as the adverse effects produced by a drug, especially on a tissue or organ system other than the one sought to be benefited by its administration. For example: hair loss may be a side effect of chemotherapy, fatigue may be a side effect of radiation therapy. (14 Oct 1997) |
| side effects | Problems that occur when treatment affects healthy cells. Common side effects of cancer treatment are fatigue, nausea, vomiting, decreased blood cell counts, hair loss, and mouth sores. (12 Dec 1998) |
| side-chain theory | Ehrlich postulated that cells contained surface extensions or side chains (haptophores) that bind to the antigenic determinants of a toxin (toxophores); after a cell is stimulated, the haptophores are released into the circulation and become the antibodies. See: receptor. Synonym: Ehrlich's postulate. (05 Mar 2000) |
| sidebone | <veterinary> A morbid growth or deposit of bony matter and at the sides of the coronet and coffin bone of a horse. Source: Websters Dictionary (01 Mar 1998) |
| sidebones | Ossification of the lateral cartilages of the horse's foot, seen most often in the forefeet of the heavier working breeds; exostoses often appear, and may be seen and palpated above the hoof line. (05 Mar 2000) |
| sideral | 1. Relating to the stars. 2. <astronomy> Affecting unfavorably by the supposed influence of the stars; baleful. "Sideral blast." Origin: L. Sideralis. See Sidereal. Source: Websters Dictionary (01 Mar 1998) |
| sideramine | <biochemistry> Naturally occurring iron binding compounds, hydroxamic acids. (18 Nov 1997) |
| sideration | The state of being siderated, or planet-struck; especially, blast in plants; also, a sudden and apparently causeless stroke of disease, as in apoplexy or paralysis. Origin: L. Sideratio. Source: Websters Dictionary (01 Mar 1998) |
| sidereal | 1. Relating to the stars; starry; astral; as, sidereal astronomy. 2. <astronomy> Measuring by the apparent motion of the stars; designated, marked out, or accompanied, by a return to the same position in respect to the stars; as, the sidereal revolution of a planet; a sidereal day. Sidereal clock, day, month, year. See Clock, Day, etc. Sideral time, time as reckoned by sideral days, or, taking the sidereal day as the unit, the time elapsed since a transit of the vernal equinox, reckoned in parts of a sidereal day. This is, strictly, apparent sidereal time, mean sidereal time being reckoned from the transit, not of the true, but of the mean, equinoctial point. Origin: L. Sidereus, from sidus, sideris, a constellation, a star. Cf. Sideral, Consider, Desire. Source: Websters Dictionary (01 Mar 1998) |
| siderite | 1. <chemical> Carbonate of iron, an important ore of iron occuring generally in cleavable masses, but also in rhombohedral crystals. It is of a light yellowish brown colour. Called also sparry iron, spathic iron. A meteorite consisting solely of metallic iron. An indigo-blue variety of quartz. Formerly, magnetic iron ore, or loadstone. 2. <botany> Any plant of the genus Sideritis; ironwort. Origin: L. Sideritis loadstone, Gr, of iron, from iron. Source: Websters Dictionary (01 Mar 1998) |
| sidero- | Iron. Origin: G. Sideros (05 Mar 2000) |
| sideroblast | <haematology> Red blood cells containing Pappenheimer bodies, small, deeply basophilic granules that contain ferric iron. (09 Oct 1997) |
| sideroblastic anaemia | <haematology> A form of refractory anaemia caused by sideroblasts in the bone marrow. Origin: Gr. Haima = blood (09 Oct 1997) |
| balancing side | In dentistry, the nonfunctioning side from which the mandible moves during the working bite. (05 Mar 2000) |
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| balancing side condyle | In dentistry, the mandibular condyle on the side away from which the mandible moves in a lateral excursion. (05 Mar 2000) |
| working side | In dentistry, the lateral segment of a dentition toward which the mandible is moved during occlusal function. (05 Mar 2000) |
| working side condyle | In dentistry, the mandibular condyle on the side toward which the mandible moves in a lateral excursion. (05 Mar 2000) |
| corticosteroid side-chain-isomerase | <enzyme> Converts 11-deoxycorticosterone to 20-hydroxy-3-oxypregn-4-en-21-al; also acts as an epimerase at c-20 Registry number: EC 5.3.1.21 Synonym: corticosteroid side chain isomerase, ccsci (26 Jun 1999) |
| drug side effect | An often undesirable effect that occurs in association with the use of a particular medication. Examples of common drug side effects include: nausea, vomiting, sedation, dizziness, headache and weakness. Drug side effects that occur in 1% or more, of patients taking a particular medication are considered to be causally related to the use of that medication. (27 Sep 1997) |
| egg-on-its-side heart | <radiology> Marked cardiomegaly, typical of transposition of the great vessels (TGV), also called apple on a string (12 Dec 1998) |