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focal |
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focal [fō′kəl] Etymology: L, focus, hearth pertaining to a focus. focal [fo´kal] pertaining to or having a focus. focal disease a localized disease.
focal 1. limited to a small area or volume. 2. pertaining to or emanating from focus. focal distance see focal-film distance. focal length the distance between the lens and an object from which all rays of light are brought to a focus. focal liver disease widely disseminated micro-abscesses or abscesses, migration paths of helminth larvae. focal macular melanosis dark colored spots on the skin, not elevated above the skin surface but apt to be confused with melanosis. focal myelitis-encephalitis widely disseminated inflammatory lesions, usually the result of blood-borne infection, in brain and spinal cord. focal symmetrical encephalomalacia see focal symmetrical encephalomalacia. focal symmetrical spinal poliomalacia see focal symmetrical spinal poliomalacia. focal ulcerative dermatitis manifest by ulcers in the unfeathered anterior breast skin of 4 to 5 months old male turkeys. The incidence is influenced by litter type. Called also breast buttons. focal zone in ultrasound, the area of the transducer where the sound beam is most sharply focussed and where the area under examination will give the best image. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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actual focal spot diabetic glomerulosclerosis diopter distance dual-focus tube epilepsy FNH focal distance focal epilepsy focal glomerular sclerosis focal infection focal length focal segmental glomerulosclerosis focal seizure focal seizure disorder focal spot focal zone focus focusing | 2) MRI-associated features include: (2,4) * absent cavum septum pellucidum (80-90%) * focally thin or absent corpus callosum * polymicrogyria and heterotopias * optic nerve hypoplasia * roofing membrane covering the defect * tenting of the ventricle, pointing to the defect. Aggregates of small lymphocytes may focally penetrate into the germinal centers and contribute to their disruption (the so-called follicle lysis) (figure 1, inset). It will cover research in the field of neuro-modulation, including invasive and non-invasive techniques and technologies that alter brain function through the use of electrical, magnetic, radio wave, or focally targeted pharmacologic stimulation. |
focally |
focal-film distance focal-film distance focal-plane array Focal-plane shutter Focale Focale Focale Focale Focalin focalisation focalisation focalise focalise focalised focalised focalises focalises focalising focalising Focalism focalization focalization focalize focalize focalized focalized focalizes focalizes focalizing focalizing focally Focalt pendulumFocalt pendulum FOCAM FOCAP FOCAPD FOCAPO FOCAS FOCAS FOCAT Focault pendulum Focault pendulum FOCB FOCBAC FOCBS FOCC Foccacia FOCCAS FOCCEUR FOCCISA FOCCS FOCCUS FOCD FOCE FOCE FOCE Focea Focea FOCEP FOCERI FOCF | |||||||
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