| essential gene | <genetics> Any gene that, if it does not workcorrectly, kills the organism. (09 Oct 1997) |
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| essential hypertension | Hypertension without known cause. Synonym: idiopathic hypertension, primary hypertension. (05 Mar 2000) |
| essential oils | Plant products, usually somewhat volatile, giving the odours and tastes characteristic of the particular plant, thus possessing the essence, e.g., citral, pinene, camphor, menthane, terpenes; usually, the steam distillates of plants or oils of plants obtained by pressing out the rinds of a particular plant. See: volatile oil. (05 Mar 2000) |
| essential phthisis bulbi | A softening of the eyeball (ophthalmomalacia) and reduction in size, not due to inflammation. (05 Mar 2000) |
| essential progressive atrophy of iris | Progressive atrophy of the iris without inflammatory signs, characterised by patchy loss of all layers of the iris with hole formation, migration of the pupil, degeneration of the corneal endothelium, peripheral anterior synechiae, and secondary glaucoma; usually unilateral, predominantly affecting women in their middle years. (05 Mar 2000) |
| essential pruritus | Itching that occurs independently of skin lesions. (05 Mar 2000) |
| essential tachycardia | Persistent rapid action of the heart due to no discoverable organic lesion. (05 Mar 2000) |
| essential telangiectasia | Localised capillary dilation of undetermined origin. Synonym: angioma serpiginosum. (05 Mar 2000) |
| essential thrombocythaemia | A rare condition related to polycythaemia rubra vera characterised by the production of large numbers of abnormal platelets. Symptoms include haemorrhage, blood clots and enlargement of the spleen. Treatment varies according to the severity of the disease. (13 Nov 1997) |
| essential thrombocytopenia | A primary form of thrombocytopenia, in contrast to secondary forms that are associated with metastatic neoplasms, tuberculosis, and leukaemia involving the bone marrow, or with direct suppression of bone marrow by the use of chemical agents, or with other conditions. (05 Mar 2000) |
| essential tremor | <neurology> A tremor that is associated with purposeful movement or motor activity. Essential tremor is the most common form of tremor with no identifiable cause. Stress, anxiety and the use of stimulants (for example caffeine, decongestants) can often make the tremor worse. Treatment is usually not necessary for this benign condition. (27 Sep 1997) |
| Esser graft | A skin graft wrapped (raw side out) around a bolus of dental compound and inserted into a prepared surgical pocket. Synonym: epithelial inlay, Esser graft. (05 Mar 2000) |
| Esser operation | A skin graft wrapped (raw side out) around a bolus of dental compound and inserted into a prepared surgical pocket. Synonym: epithelial inlay, Esser graft. (05 Mar 2000) |
| Esser, Johannes | <person> Dutch surgeon, 1877-1946. See: Esser graft, Esser operation. (05 Mar 2000) |
| essex-lopresti fracture | <radiology> Comminuted fracture of radial head, dislocation of distal radio-ulnar joint, due to longitudinal compression force (12 Dec 1998) |
| essential tremor |
tremor of unknown cause (usually of the hands and head) that develops in older people; often mistaken for Parkinsonism but is not life-threatening and can usually be kept under control
출처: wordnet.princeton.edu/perl/webwn
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| essentiality |
basic importance
출처: wordnet.princeton.edu/perl/webwn
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| essentialness |
essentiality: basic importance
출처: wordnet.princeton.edu/perl/webwn
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| essential thrombocytopenia |
the primary form of thrombocytopenia (rather than a shortage of platelets caused by with other conditions such as tuberculosis or chemical suppression of bone marrow etc.)
출처: wordnet.princeton.edu/perl/webwn
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| essential pentosuria |
a benign autosomal recessive deficiency of L-xylulose reductase resulting in urinary excretion of high levels of the pentose L-xylulose. Called also L-xylulosuria.
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| ESS | any substance possessing to a high degree the predominant properties of a plant or drug or other natural product from which it is extracted |
|---|---|
| ESS | anything indispensable |
| ESS | (law) applying to essential legal principles and rules of right |
| ESS | basic and fundamental |
| ESS | absolutely required and not to be used up or sacrificed |
| ESS | of the greatest importance |
| ESS | absolutely necessary |
| ESS | being or relating to or containing the essence of a plant etc |
| ESS | an amino acid that is required by animals but that they cannot synthesize |
| ESS | a prerequisite |
| ESS | persistent and pathological high blood pressure for which no specific cause can be found |
| ESS | a volatile oil having the odor or flavor of the plant from which it comes |