Search results for " anatomy"

showing 10 items of 388 documents

Fractal-structured multifocal intraocular lens

2017

[EN] In this work, we present a new concept of IOL design inspired by the demonstrated properties of reduced chromatic aberration and extended depth of focus of Fractal zone plates. A detailed description of a proof of concept IOL is provided. The result was numerically characterized, and fabricated by lathe turning. The prototype was tested in vitro using dedicated optical system and software. The theoretical Point Spread Function along the optical axis, computed for several wavelengths, showed that for each wavelength, the IOL produces two main foci surrounded by numerous secondary foci that partially overlap each other for different wavelengths. The result is that both, the near focus an…

DiffractionOptical PhenomenaFocus (geometry)VisionSocial Scienceslcsh:MedicinePhysics::Optics01 natural sciences0302 clinical medicineMedicine and Health SciencesPsychologylcsh:ScienceLens (Anatomy)PhysicsMultidisciplinaryPhysicsOphthalmic ProceduresCataract SurgeryOptical LensesWavelengthFractalsOptical EquipmentPhysical SciencesEngineering and TechnologySensory PerceptionAnatomyDiffractionResearch ArticlePoint spread functionOcular AnatomyGeometryEquipmentSurgical and Invasive Medical ProceduresIn Vitro TechniquesProsthesis DesignProof of Concept Study010309 optics03 medical and health sciencesFractalOpticsOcular SystemOptical transfer function0103 physical sciencesChromatic aberrationPrototypesComputer Simulationbusiness.industrylcsh:RBiology and Life SciencesModels TheoreticalMultifocal Intraocular LensesOptical axisTechnology DevelopmentFISICA APLICADAWaves030221 ophthalmology & optometryEyeslcsh:QbusinessHeadMathematicsNeuroscience
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Entwicklungsmechanische Untersuchungen an Amphibien

1925

Izvilkums no: ''Biologischen Zentralblatt", 45. Bd., 2. Heft, Februar 1925.

Dzīvnieku anatomijaAmphibiaAnimal anatomy:NATURAL SCIENCES::Biology::Organism biology::Morphology [Research Subject Categories]Amphibien - MorphologieDzīvnieku morfoloģijaAbinieki - morfoloģijaTiermorphologie
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Microscopical anatomy of the involution of the branchial bars of amphibia [Abinieku žaunu kātu involūcijas mikroskopiskā anatomija]

1936

Teksts angļu valodā, kopsavilkums latviešu valodā.

Dzīvnieku anatomijaAnatomy microscopicalAnimal anatomyAbinieku anatomijaMikroskopiskā anatomijaHistoloģijaAmphibian anatomy:NATURAL SCIENCES::Biology::Organism biology::Morphology [Research Subject Categories]Zooloģija eksperimentālā
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"Verjüngung" durch teilweises Zerreissen des Hodengewebes ["Atjaunošana", saplosot sēklinieka audus]

1934

Teksts vācu valodā, kopsavilkums latviešu valodā.

Dzīvnieku anatomijaAnimal anatomyDzīvnieku eksperimentiTierversucheZoologie experimentell:NATURAL SCIENCES::Biology::Organism biology::Morphology [Research Subject Categories]TieranatomieZooloģija eksperimentālāDzīvnieku morfoloģijaTiermorphologie
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Beitrag zur Entwicklungsgeschichte der Nasenregion des Elches (Alces alces L.)

1928

Izvilkums no: Zeitschrift für Morphologie und Ökologie der Tiere, 13. Bd., 1./2. Heft, 1928.

Dzīvnieku anatomijaAļņi - anatomijaAnimal anatomyAnimal embryologyDzīvnieku embrioloģijaElch - AnatomieElch - EmbryologieTierembryologie:NATURAL SCIENCES::Biology::Organism biology::Morphology [Research Subject Categories]Dzīvnieku morfoloģijaTiermorphologie
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Die Topographie des Nervus obturatorius im vorknorpeligen Vogelbecken

1926

Dzīvnieku anatomijaNeuroanatomyAnimal anatomyTierversucheDzīvnieku embrioloģijaZoologie experimentellTierembryologie:NATURAL SCIENCES::Biology::Organism biology::Morphology [Research Subject Categories]NeiroanatomijaTieranatomieZooloģija eksperimentālāNeuroanatomie
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Five years experiences with a new "Rejuvenation"-method

1935

Dzīvnieku anatomijaZoologie experimentalAnimal anatomyAnimal morphology:NATURAL SCIENCES::Biology::Organism biology::Morphology [Research Subject Categories]Zooloģija eksperimentālāDzīvnieku morfoloģija
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Über die zyklische Gewichtsvariation des Vorderbeinskelettes des Frosches

1930

Izvilkums no: Wilhelm Roux' Archiv für Entwicklungsmechanik der Organismen. Organ für die gesamte kausale Morphologie (Abt. D der Zeitschrift für wissenschaftliche Biologie) 122. Band, 1. Heft, 1930.

Dzīvnieku anatomijaZoologie experimentalAnimal anatomyDzīvnieku eksperimentiTierversucheFrösche - AnatomieVardes - anatomija:NATURAL SCIENCES::Biology::Organism biology::Morphology [Research Subject Categories]Zooloģija eksperimentālā
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Ein Fall von Hodenheterotopie bei Rana temporaria

1926

Izvilkums no: Wilhelm Roux' Archiv für Entwicklungsmechanik der Organismen. Organ für die gesamte Morphologie (Abt. D der Zeitschrift für wissenschaftliche Biologie) 108. Band, 1. Heft, 1926.

Dzīvnieku anatomijaZoologie experimentalAnimal anatomyRanidaeZootomijaDzīvnieku eksperimentiVaržu anatomija un morfoloģijaAnimal organology:NATURAL SCIENCES::Biology::Organism biology::Morphology [Research Subject Categories]Zooloģija eksperimentālāDzīvnieku morfoloģijaTiermorphologie
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Heterotopie des Fettkörpers bei Rana esculenta var. ridibunda

1927

Izvilkums no: Wilhelm Roux' Archiv für Entwicklungsmechanik der Organismen, 109. Bd., 5. Heft, Berlin, Julius Springer.

Dzīvnieku anatomijaZoologie experimentalAnimal anatomyZootomijaDzīvnieku eksperimentiAnimal organology:NATURAL SCIENCES::Biology::Organism biology::Morphology [Research Subject Categories]Zooloģija eksperimentālāDzīvnieku morfoloģijaTiermorphologie
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