| sitostane | The parent substance of sitosterol. Synonym: sitostane. (05 Mar 2000) |
|---|---|
| sitosterols | A family of sterols commonly found in plants and plant oils. Alpha-, beta-, and gamma-isomers have been characterised. (12 Dec 1998) |
| sitotaxis | Synonym: sitotropism. Origin: sito-+ G. Taxis, orderly arrangement (05 Mar 2000) |
| sitotoxin | Any food poison, especially one developing in grain. Origin: sito-+ G. Toxikon, poison (05 Mar 2000) |
| sitotoxism | 1. Poisoning by spoiled or fungous grain. 2. Food poisoning in general. Origin: sito-+ G. Toxikon, poison (05 Mar 2000) |
| sitotropism | Turning of living cells to or away from food. Synonym: sitotaxis. Origin: sito-+ G. Trope, a turning (05 Mar 2000) |
| sits | <chemical> 5-(acetylamino)-2-(2-(-4-isothiocyanato-2-sulfophenyl)ethenyl)benzenesulfonic acid. A non-penetrating amino reagent which acts as an inhibitor of anion transport in erythrocytes and other cells. Chemical name: Benzenesulfonic acid, 5-(acetylamino)-2-(2-(4-isothiocyanato-2-sulfophenyl)ethenyl)- (12 Dec 1998) |
| sittine | <zoology> Of or pertaining to the family Sittidae, or nuthatches. Origin: NL. Sitta the nuthatch, from Gr. Source: Websters Dictionary (01 Mar 1998) |
| sitting | 1. The state or act of one who sits; the posture of one who occupies a seat. 2. A seat, or the space occupied by or allotted for a person, in a church, theater, etc.; as, the hall has 800 sittings. 3. The act or time of sitting, as to a portrait painter, photographer, etc. 4. The actual presence or meeting of any body of men in their seats, clothed with authority to transact business; a session; as, a sitting of the judges of the King's Bench, or of a commission. "The sitting closed in great agitation." (Macaulay) 5. The time during which one sits while doing something, as reading a book, playing a game, etc. "For the understanding of any one of St. Paul's Epistles I read it all through at one sitting." (Locke) 6. A brooding over eggs for hatching, as by fowls. "The male bird . . . Amuses her [the female] with his songs during the whole time of her sitting." (Addison) Sitting room, an apartment where the members of a family usually sit, as distinguished from a drawing-room, parlor, chamber, or kitchen. Source: Websters Dictionary (01 Mar 1998) |
| situation | The aggregate of biological, psychological, and sociological factors that affect an individual's behavioural pattern. (05 Mar 2000) |
| situation anxiety | Anxiety related to current life problems. (05 Mar 2000) |
| situational psychosis | A transitory but severe emotional disorder caused in a predisposed person by a seemingly unbearable situation. (05 Mar 2000) |
| situational test | In psychology and psychiatry, a test situation in which a subject is observed as he or she performs a task or an actual sample of the job or role to be performed; e.g., a test used to select individuals for the Office of Strategic Services during the Second World War and for managerial positions today. (05 Mar 2000) |
| situs | <botany> The method in which the parts of a plant are arranged; also, the position of the parts. Origin: L, situation. Source: Websters Dictionary (01 Mar 1998) |
| situs inversus | <disease> Condition in which the normal asymmetry of the body (in respect of circulatory system and intestinal coiling) is reversed. Interesting because it occurs in approximately 50% of patients with immotile cilia syndrome, a disorder of ciliary dynein. (10 Oct 1997) |