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Cone of light

Cone of light --> pyramid of light

a triangular area at the anterior inferior part of the tympanic membrane, running from the umbo to the periphery, where there is seen a bright reflection of light.

Synonym: cone of light, light reflex, politzers luminous cone, red reflex, Wilde's triangle.

Malacarne's pyramid, a lobule on the undersurface of the cerebellum, the posterior portion of the vermis.


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Re: About how many megapixels would human eye hold?

"The average human retina has five million cone receptors on it. Since the cones are responsible for color vision, you might ... in the brain - not unlike stitching together a panoramic photo. In good light, you can distinguish two fine lines if they are separate by at least 0.6 ...

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by hymenoptera7
Tue Jun 25, 2013 2:42 am
 
Forum: General Discussion
Topic: About how many megapixels would human eye hold?
Replies: 1
Views: 1097

Cone snail

https://www.dropbox.com/s/xb5af7hppfdmpdv/conesnail.jpg I found this critter (or hundreds of them to be exact) off ... land snails don't have anything as complex, right? Just long stalks with light-sensing knobs at the end?

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by biohazard
Tue Jun 05, 2012 9:47 am
 
Forum: Zoology Discussion
Topic: Cone snail
Replies: 4
Views: 4847

UltraBright UV transilluminator

... 5 times higher than that of 500 nm. For consideration of intensity of lights, UV lamptube is with diverse light but LED is with a more intense and focusing light. It means the convergence of light cone angle is smaller for LEDs. LED's light flux is much higher than UV lamps. ...

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by swing0916
Thu Nov 11, 2010 10:49 am
 
Forum: Molecular Biology
Topic: UltraBright UV transilluminator
Replies: 17
Views: 16129

Egg Yolk Coacervates & pH Imaging

... darkfield objective straight to 40x camcorder with zoom up full with light on microscope up until camcorder iris starts closing which seems to ... $40) and have a condenser lens that gets the light in a good shaped cone to send up and a few precision photographic enlarger lenses of three ...

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by GaryGaulin
Tue Mar 03, 2009 3:02 pm
 
Forum: General Discussion
Topic: Egg Yolk Coacervates & pH Imaging
Replies: 0
Views: 3798

Are tissues in the body capable of sensing pain?

actually the cause has to do with the adaptation of the eye to light. the darkness causes all the retinen in cone cells to associate with its opsin partner, leading to an increased sensitivity of the cell ...

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by MrMistery
Thu Jan 10, 2008 6:42 pm
 
Forum: Human Biology
Topic: Are tissues in the body capable of sensing pain?
Replies: 24
Views: 14640
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