| stationary | 1. Not moving; not appearing to move; stable; fixed. "Charles Wesley, who is a more stationary man, does not believe the story." (Southey) 2. Not improving or getting worse; not growing wiser, greater, better, more excellent, or the contrary. 3. Appearing to be at rest, because moving in the line of vision; not progressive or retrograde, as a planet. <physiology> Stationary air, the air which under ordinary circumstances does not leave the lungs in respiration. Stationary engine. A steam engine thet is permanently placed, in distinction from a portable engine, locomotive, marine engine, etc. Specifically: A factory engine, in distinction from a blowing, pumping, or other kind of engine which is also permanently placed. Origin: L. Stationarius: cf. F. Stationnaire. Cf. Stationer. Source: Websters Dictionary (01 Mar 1998) |
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| stationary anchorage | Anchorage in which the resistance to the movement of one or more teeth comes from the resistance to bodily movement of the anchorage unit; a questionable concept since the selected teeth remain only relatively stable. (05 Mar 2000) |
| stationary cataract | A cataract that does not progress. (05 Mar 2000) |
| stationary phase | The plateau of the growth curve after log growth in a culture, duringwhich cellnumber remains constant. New cells are produced at the same rate as oldercells die. (09 Oct 1997) |
| autistic parasite | A parasite descended from the tissues of the host. Synonym: autochthonous parasite. (05 Mar 2000) |
| autochthonous parasite | A parasite descended from the tissues of the host. Synonym: autochthonous parasite. (05 Mar 2000) |
| malignant tertian malarial parasite | A species of protozoa that is the causal agent of falciparum malaria (malaria, falciparum). It is most prevalent in the tropics and subtropics. (12 Dec 1998) |
| parasite | <biology> An organism which obtains food and shelter from another organism (for example Giardia). (27 Sep 1997) |
| parasite-host ecosystem | Complex of all parasite species and individuals associated with a specific host. Synonym: parasite-host ecosystem. Origin: parasite + G. Koinos, common, together (05 Mar 2000) |
| commensal parasite | See: commensal. (05 Mar 2000) |
| heterogenetic parasite | A parasite whose life cycle involves an alternation of generations. (05 Mar 2000) |
| heteroxenous parasite | A parasite that has more than one obligatory host in its life cycle. (05 Mar 2000) |
| host-parasite relations | The interactions between two organisms, one of which lives at the expense of the other. (12 Dec 1998) |
| specific parasite | A parasite that habitually lives in its present host and is particularly adapted for the host species. (05 Mar 2000) |
| stenoxous parasite | A parasite with a narrow or specific host range. (05 Mar 2000) |