| epidemic transient diaphragmatic spasm | An acute infectious disease usually occurring in epidemic form, characterised by paroxysms of pain, usually in the chest, and associated with strains of Enterovirus coxsackievirus type B. Synonym: benign dry pleurisy, Bornholm disease, Daae's disease, devil's grip, diaphragmatic pleurisy, epidemic benign dry pleurisy, epidemic diaphragmatic pleurisy, epidemic myalgia, epidemic myositis, myositis epidemica acuta, epidemic transient diaphragmatic spasm, Sylvest's disease. (05 Mar 2000) |
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| epidemic tremor | <veterinary> A disease of very young chicks caused by a picornavirus and characterised by tremor, ataxia, somnolence, and finally death. Synonym: epidemic tremor. (05 Mar 2000) |
| epidemic typhus | <infectious disease> A severe acute disease with prolonged high fever up to 40 |
| epidemic vertigo | A paroxysmal attack of severe vertigo, not accompanied by deafness or tinnitus, which affects young to middle-aged adults, often following a non-specific upper respiratory infection; due to unilateral vestibular dysfunction. Synonym: endemic paralytic vertigo, epidemic vertigo, Gerlier's disease, kubisagari, kubisagaru, paralyzing vertigo. (05 Mar 2000) |
| epidemic vomiting | Virus caused by Norwalk virus, a 27 nm RNA virus in the family Caliciviridae frequently occurring in a group of people (e.g., in a school or small community) suddenly and without prodromal illness or malaise, is intense while it lasts, but ceases abruptly after a few hours or a day or so; symptoms are headache, abdominal pain, giddiness, and diarrhoea in most of the cases, and extreme prostration in about 75%. Synonym: epidemic nausea. (05 Mar 2000) |
| typhus, epidemic | A severe acute disease with prolonged high fever up to 40 |
| typhus, epidemic louse-borne | The classic form of typhus, caused by rickettsia prowazekii, which is transmitted from man to man by the louse pediculus humanus corporis. This disease is characterised by the sudden onset of intense headache, malaise, and generalised myalgia followed by the formation of a macular skin eruption and vascular and neurologic disturbances. (12 Dec 1998) |
| alveolar point | The most anterior point on the maxillary alveolar process in the midline. Synonym: alveolar point, prostheon. Origin: G. Ntr. Of prosthios, foremost (05 Mar 2000) |
| anterior focal point | The point where parallel rays from the retina are focused. (05 Mar 2000) |
| apophysial point | The centre of the root of the anterior nasal spine. Synonym: apophysary point, apophysial point, spinal point. (05 Mar 2000) |
| arrow point tracing | A tracing of mandibular movements made by means of a device attached to the opposing arches; its shape resembles that of an arrowhead or a Gothic arch, and when the instrument's marking point is at the apex of the arch, the jaws are considered to be in centric relation. Synonym: arrow point tracing, Gothic arch tracing, Gothic arch, stylus tracing. (05 Mar 2000) |
| auricular point | A craniometric point at the centre of the opening of the external acoustic meatus; or, in certain cases, the middle of the upper edge of this opening. Synonym: auricular point. Origin: L. Auricularis, pertaining to the ear (05 Mar 2000) |
| axial point | One of two point's in a compound optical system so related that a ray directed toward the first point will appear to have passed through the second point parallel to its original direction. Synonym: axial point. (05 Mar 2000) |
| boiling point | This is the temperature at which the vapor pressure of a given liquid reaches atmospheric pressure (and thus starts to boil). (09 Oct 1997) |
| boiling point elevation | This is the phenomenon of increasing the temperature at which a liquid boils by dissolving another substance in the liquid (for example: you can raise the temperature at which water boils by adding salt to it). (09 Oct 1997) |