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REFLEX METHOD [4 records]

Record 1 2026-03-23

English

Subject field(s)
  • Medical Imaging
  • Diagnostic Procedures (Medicine)
  • The Eye
CONT

... retromode imaging(RMI) is a noncontact and a noninvasive imaging method that relies on... confocal scanning laser ophthalmoscopic technology. Briefly, there are two kinds of light returning back from the fundus once it is illuminated, a direct reflex and a scattered light.... RMI is performed by a scanning laser ophthalmoscope(SLO) working at an infrared wavelength, which creates a pseudo three-dimensional image with highly contrasting margins of retinal abnormalities(e. g., neurosensory detachments, retinal holes, retinoschisis and intraretinal cystic fluid).

Key term(s)
  • scanning laser ophthalmoscopy retro-mode imaging
  • SLO retro-mode imaging
  • retro-mode imaging
  • retro-modal imaging

French

Domaine(s)
  • Imagerie médicale
  • Méthodes diagnostiques (Médecine)
  • Oeil
OBS

Technique sans contact et non invasive employée pour produire des images du fond d'œil qui est réalisée avec un ophtalmoscope laser à balayage.

Spanish

Save record 1

Record 2 2017-10-27

English

Subject field(s)
  • Diagnostic Procedures (Medicine)
  • Nervous System
DEF

A method used in neurologic examination to facilitate testing of a peripheral reflex, particularly the knee jerk, wherein the patient is asked to hook his hands together by the flexed fingers and pull them apart as hard as he can at time of testing.

French

Domaine(s)
  • Méthodes diagnostiques (Médecine)
  • Système nerveux
DEF

Manœuvre destinée à faciliter la recherche d'un réflexe aux membres inférieurs : le sujet est prié de tirer ses deux mains réunies par les doigts mis en griffe, pendant qu'on recherche le réflexe.

Spanish

Campo(s) temático(s)
  • Procedimientos diagnósticos (Medicina)
  • Sistema nervioso
Save record 2

Record 3 2003-09-10

English

Subject field(s)
  • Environmental Studies and Analyses
CONT

SPI, or Sediment Profile Imagery, is an innovative and cost efficient method of surveying and/or monitoring lake or marine aquatic environments with a view to establishing the environmental status of these habitats or as part of a site suitability study.... SPI is based on single lens reflex(SLR) camera photography and computer-based image analysis which greatly accelerates the time required to write reports and provide relevant data to the client/legislator in a matter of weeks. SPI technology can readily quantify over 20 physical, chemical and biological parameters including : sediment grain size; prism penetration; surface pelletal layer; sediment surface relief; mud clasts; redox area; redox contrast; current apparent redox boundary; relict redox boundaries; methane gas vesicles; apparent faunal dominants; voids; burrows; surface features(e. g. worm tubes, epifauna, shell) ;dredged material; microbial aggregations; and successional stage.

French

Domaine(s)
  • Études et analyses environnementales
CONT

Des photographies de profils sédimentaires obtenus de carottes prélevées à l'aide de carottiers en plexiglass Hargrave ont servi à mettre au point un moyen nouveau pour déterminer l'enrichissement en matières organiques. Des plongeurs autonomes prélèvent des carottes de sédiments pouvant aller jusqu'à 30 cm de longueur; une fois ramenées à la surface, les carottes sont photographiées, sous-échantillonnées et interprétées. L'interprétation repose sur la profondeur de discontinuité de l'oxydo-réduction et la présence ou l'absence d'organismes, de terriers et de vides, tels que révélés par les photographies numériques. On obtient ainsi un nombre intégré attribuable à l'indice d'enrichissement organique. M. Wildish a prouvé la justesse de cette méthode, appelée imagerie de profils sédimentaires (IPS), aux sites salmonicoles de la baie de Fundy et on prévoit aussi la mettre à l'essai à des installations semblables en Tasmanie (Australie).

Spanish

Save record 3

Record 4 1988-03-24

English

Subject field(s)
  • Reprography

French

Domaine(s)
  • Reprographie

Spanish

Save record 4

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