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| This glossary contains: 19186 medical terms |
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Bioluminescence
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Bioluminescence The emission of light by organisms.
SIMILAR TERMS--------------------------------------
Biologic evolution
Biologic evolution was contrasted with cultural (social) evolution in 1968 by A.G. Motulsky who pointed out that biologic evolution is mediated by genes, shows a slow rate of change, employs random variation (mutations) and selection as agents of change, new variants are often harmful, these new variants are transmitted from parents to offspring, the mode of transmission is simple, complexity is achieved by the rare formation of new genes by chromosome duplication, biologic evolution occurs with all forms of life, and the biology of humans requires cultural evolution.
Biological chemistry
Another name for biochemistry.
Biological Marker of Aging
Any physiological marker that appears to be universal in an aging population.
Biological Response Modifier
Any molecule that can modify the biological response of cells to changes in its external environment.
Biological safety level 1
Level 1 biosafety.
Biological safety level 2
Level 2 biosafety.
Biological safety level 3
Level 3 biosafety.
Biological safety level 4
Level 4 biosafety.
Biology, molecular
See: Molecular biology.
PREVIOUS AND NEXT TERMS--------------------------------------
Binocular field
A receptive field which responds to a cells optimal stimulus if it is presented to either eye.
Binocular overlap
The segment of the optic array sampled by both eyes.
Binocular rivalry
Occurs when the two eyes are presented with different stimuli. Instead of seeing a summation of the two images, our perception switches from one image to the other.
Binocular zone
The central region of the visual field from which light enter both eyes.
Binoptic stimulation
When the same image is presented to each eye.
Bioluminescence
Bipolar cell
Key interneurons in the retina. Antagonistic center-surround receptive field organization. Makes excitatory connections to ganglion cells.
Blind spot
The location where optic nerve fibers leave the retina. This area has no photoreceptors and therefore no visual input. The cortex appears to fill-in this missing information so we are not conscious of the blind spot.
Blindsight
A phenomenon reported in individuals suffering from cortical blindness (i.e. damage to the primary visual cortex resulting in blindness). Individuals with blindsight report that they are unable to see, yet under forced choice conditions are able to indicate the presence and location of visually presented objects.
Block artifacts
Visual artifacts created when an image compressed with an algorithm using block coding is reconstructed.
Block coding
Any image processing technique which begins by subdividing the image into blocks.
SIMILAR TERMS--------------------------------------
Biologic evolution
Biologic evolution was contrasted with cultural (social) evolution in 1968 by A.G. Motulsky who pointed out that biologic evolution is mediated by genes, shows a slow rate of change, employs random variation (mutations) and selection as agents of change, new variants are often harmful, these new variants are transmitted from parents to offspring, the mode of transmission is simple, complexity is achieved by the rare formation of new genes by chromosome duplication, biologic evolution occurs with all forms of life, and the biology of humans requires cultural evolution.
Biological chemistry
Another name for biochemistry.
Biological Marker of Aging
Any physiological marker that appears to be universal in an aging population.
Biological Response Modifier
Any molecule that can modify the biological response of cells to changes in its external environment.
Biological safety level 1
Level 1 biosafety.
Biological safety level 2
Level 2 biosafety.
Biological safety level 3
Level 3 biosafety.
Biological safety level 4
Level 4 biosafety.
Biology, molecular
See: Molecular biology.
PREVIOUS AND NEXT TERMS--------------------------------------
Binocular field
A receptive field which responds to a cells optimal stimulus if it is presented to either eye.
Binocular overlap
The segment of the optic array sampled by both eyes.
Binocular rivalry
Occurs when the two eyes are presented with different stimuli. Instead of seeing a summation of the two images, our perception switches from one image to the other.
Binocular zone
The central region of the visual field from which light enter both eyes.
Binoptic stimulation
When the same image is presented to each eye.
Bioluminescence
Bipolar cell
Key interneurons in the retina. Antagonistic center-surround receptive field organization. Makes excitatory connections to ganglion cells.
Blind spot
The location where optic nerve fibers leave the retina. This area has no photoreceptors and therefore no visual input. The cortex appears to fill-in this missing information so we are not conscious of the blind spot.
Blindsight
A phenomenon reported in individuals suffering from cortical blindness (i.e. damage to the primary visual cortex resulting in blindness). Individuals with blindsight report that they are unable to see, yet under forced choice conditions are able to indicate the presence and location of visually presented objects.
Block artifacts
Visual artifacts created when an image compressed with an algorithm using block coding is reconstructed.
Block coding
Any image processing technique which begins by subdividing the image into blocks.
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This dictionary contains 19186 terms.
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