| CNP | community nurse practitioner; continuous negative pressure; cranial nerve palsy; 2',3'-cyclic nucleo... |
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| CSNS | carotid sinus nerve stimulation |
| DCN | data collection network; deep cerebral nucleus; delayed conditioned necrosis; depressed, cognitively... |
| DNR | daunorubicin; do not resuscitate; dorsal nerve root |
| DNS | deviated nasal septum; diaphragmatic nerve stimulation; did not show [for appointment]; Doctor of Nu... |
| erythrocyte adherence phenomenon | A phenomenon manifested by the adherence of antigen-antibody-complement complex to "indicator cells" (microorganisms, platelets, leukocytes, or erythrocytes), the reaction being sensitive and specific for the antigen and antibody in the complex. Synonym: erythrocyte adherence phenomenon, immune adherence phenomenon, red cell adherence phenomenon. (05 Mar 2000) |
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| escape phenomenon | Failure of the pupil in an eye with optic neuritis to maintain constriction as both eyes are alternately stimulated with light. (05 Mar 2000) |
| Tullio's phenomenon | <neurology> Momentary vertigo caused by any loud noise, notably occurring in cases of active labyrinthine fistula. (05 Mar 2000) |
| jaw-winking phenomenon | <syndrome> An increase in the width of the eye lids during chewing, sometimes with a rhythmic elevation of the upper lid when the mouth is open and ptosis when the mouth is closed. Synonym: Gunn phenomenon, Gunn's syndrome, jaw-winking phenomenon, jaw-working reflex, Marcus Gunn phenomenon, Marcus Gunn syndrome. (05 Mar 2000) |
| Twort-d'Herelle phenomenon | The lysis of bacteria by bacteriophage. Synonym: bacteriophagia, d'Herelle phenomenon, Twort phenomenon. (05 Mar 2000) |
| Twort phenomenon | The lysis of bacteria by bacteriophage. Synonym: bacteriophagia, d'Herelle phenomenon, Twort phenomenon. (05 Mar 2000) |
| Jod-Basedow phenomenon | <endocrinology> Induction of thyrotoxicosis in a previously euthyroid individual as a result of exposure to large quantities of iodine. It occurs most often in areas of endemic iodine-deficient goiter and in patients with multinodular goiter. It can also can develop following use of iodine-containing agents for diagnostic studies. Synonym: iodine-induced hyperthyroidism. (05 Mar 2000) |
| Tyndall phenomenon | The visibility of floating particles in gases or liquids when illuminated by a ray of sunlight and viewed at right angles to the illuminating ray. Synonym: Tyndall effect. (05 Mar 2000) |
| facialis phenomenon | Facial spasm produced by light rubbing of the skin or a tap on the zygoma; sometimes percussion above the zygoma causes contraction of the lip only; observed in tetany and sometimes in exophthalmic goiter. (05 Mar 2000) |
| knee phenomenon | A sudden contraction of the anterior muscles of the thigh, caused by a smart tap on the patellar tendon while the leg hangs loosely at a right angle with the thigh. Synonym: knee jerk, knee phenomenon, knee reflex, knee-jerk reflex, patellar tendon reflex, quadriceps reflex. (05 Mar 2000) |
| Kobner's phenomenon | An isomorphic reaction seen in response to trauma in previously uninvolved sites of patients with skin diseases including psoriasis and lichen planus, typically with lesions in a linear pattern at sites of scratching or a scar. Synonym: isomorphic response. (05 Mar 2000) |
| Koch's phenomenon | The phenomenon of infection immunity; living tubercle bacilli (Mycobacterium tuberculosis) do not cause reinfection when inoculated into tuberculous guinea pigs (i.e., the animals are "immune" to reinfection) even though the original infections continue to develop and eventually cause death of the animals, rise of temperature and increase of the local lesion, in a tuberculous subject, following an injection of tuberculin. (05 Mar 2000) |
| Kohnstamm's phenomenon | Involuntary arm abduction that follows sustained isometric contraction of the deltoid and supraspinatus muscles (usually performed by pushing the upper extremity forcibly and against an immovable vertical surface while standing closely beside it). Synonym: Kohnstamm's phenomenon. (05 Mar 2000) |
| Kuhne's phenomenon | When a constant current is passed through a muscle, an undulation is seen to pass from the positive to the negative pole. (05 Mar 2000) |
| finger phenomenon | A sign of organic hemiplegia; with the patient's elbow resting on a table, the patient's wrist is grasped by the examiner's hand, the thumb of which is used to exert pressure on the radial side of the patient's pisiform bone; if the hemiplegia is organic, some or all of the patient's fingers become extended and spread out in a fanlike form. Synonym: Gordon's sign. (05 Mar 2000) |