| R' | in electrocardiography, the second positive deflection during the QRS complex |
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| HP | Hypersensitivity Pneumonitis = Extrinsic Allergic Alveolitis |
| BREASTS | bronchopulmonary aspergillosis, radiotherapy, extrinsic allergic alveolitis, ankylosing spondylitis,... |
| EAA | electroacupuncture analgesia; Epilepsy Association of America; essential amino acid; excitatory amin... |
| EF | ectopic focus; edema factor; ejection fraction; elastic fibril; electric field; elongation factor; e... |
| E.A.A. | Extrinsic Allergic Alveolitis |
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| EPI | Extrinsic Pathway Inhibitor |
| deflection | 1. The act of turning aside, or state of being turned aside; a turning from a right line or proper course; a bending, especially. Downward; deviation. "The other leads to the same point, through certain deflections." (Lowth) 2. The deviation of a shot or ball from its true course. 3. <optics> A deviation of the rays of light toward the surface of an opaque body; inflection; diffraction. 4. <engineering> The bending which a beam or girder undergoes from its own weight or by reason of a load. Origin: L. Deflexio, fr. Deflectere: cf. F. Deflexion. Source: Websters Dictionary (01 Mar 1998) |
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| deflection coils | <microscopy> The electromagnetic coils that steer the electron beam in a cathode-ray tube or image pickup tube, for example, in a raster scan (05 Aug 1998) |
| intrinsic deflection | <physiology> With the electrode in direct contact with the muscle fibre, a rapid downward deflection from the peak of maximum positivity, signifying that the activation front has reached the subjacent muscle. (05 Mar 2000) |
| intrinsicoid deflection | The abrupt downstroke from maximum positivity when the electrode is placed not directly on the muscle but at a distance, as in the unipolar chest leads in clinical electrocardiography. (05 Mar 2000) |
| acute extrinsic allergic alveolitis | <radiology> No chest X-ray findings in 30-95%, diffuse acinar consolidative pattern (oedema and exudative filling of alveoli), basilar distribution, lymph node enlargement (unusual, more common with recurrence) see: extrinsic allergic alveolitis (12 Dec 1998) |
| alveolitis, extrinsic allergic | Conditions in which inhalation of organic dusts results in hypersensitivity reactions at the alveolar level, associated with the production of precipitins. (12 Dec 1998) |
| extrinsic | 1. Not contained in or belonging to a body; external; outward; unessential; opposed to intrinsic. "The extrinsic aids of education and of artificial culture." (I. Taylor) 2. <anatomy> Attached partly to an organ or limb and partly to some other part said of certain groups of muscles. Opposed to intrinsic. Origin: L. Extrinsecus; exter on the outside + secus otherwise, beside; akin to E. Second: cf. F. Extrinseque. See Exterior, Second. Source: Websters Dictionary (01 Mar 1998) |
| extrinsic allergic alveolitis | <radiology> Exposure to organic dust less than 5u in size, recurrent episodes of fever, chills, dry cough, dyspnea following exposure after 6 hr interval (10-40% assymptomatic), spontaneous resolution in 1-2 days, farmer's lung, Pandora's pneumonitis, bird-fancier's lung, mushroom worker's lung, bagassosis, malt worker's lung, maple bark disease, suberosis, sequoiosis see: acute extrinsic allergic alveolitis, hypersensitivity pneumonitis (12 Dec 1998) |
| extrinsic asthma | Bronchial asthma resulting from an allergic reaction to foreign substances, such as inhaled particles, vapors, or gases, or ingested foods, beverages, or drugs. (05 Mar 2000) |
| extrinsic colour | Colour applied to the external surface of a dental prosthesis. (05 Mar 2000) |
| extrinsic factor | Dietary vitamin B12. (05 Mar 2000) |
| extrinsic factor deficiency | <disease> An inherited disorder that causes abnormal blood clotting due to the congenital absence of one of the 20 different plasma proteins involved in the coagulation process. Symptoms include bleeding of the gums, nosebleeds, easy bruising, bleeding in muscles or joints and excessive menstrual bleeding. Treatment includes the administration of plasma concentrates of factor VII (extrinsic factor). (27 Sep 1997) |
| extrinsic incubation period | Time required for the development of a disease agent in a vector, from the time of uptake of the agent to the time when the vector is infective. (05 Mar 2000) |
| extrinsic motivation | The search for satisfaction, or to avoid dissatisfaction, through non-task aspects of the environment such as seeking comfort, safety, and security from others or through the efforts of others. (05 Mar 2000) |
| extrinsic muscles | Muscles arising outside of, but which act upon, the structure under consideration. For example, the muscles operating the hand but having fleshy bellies located in the forearm. (05 Mar 2000) |
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