#photoreceptors

[alyssalovestaylor1989]

“You miss me? no duh”

Sabrina is definitely one of my favorite openers ever she’s iconic

[bpod-bpod]

Lights Down Low

Super-resolution fluorescence microscopy reveals the location of single molecules of rhodopsin – the low light-sensing protein of the retina's photoreceptor cells called rods – and how they traffic through the membranes of the rod cells maintaining their health

Read the published research article here

Image from work by Kristen N. Haggerty and Shannon C. Eshelman, and colleagues

Department of Ophthalmology & Visual Sciences and Department of Biochemistry & Molecular Medicine, West Virginia University, Morgantown, WV, USA

Image originally published with a Creative Commons Attribution 4.0 International (CC BY 4.0)

Published in PLOS Biology, January 2024

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[deadkill-joys]

if you get it, you get it

[sw5w]

The Ambassadors are Jedi Knights, I Believe

STAR WARS EPISODE I: The Phantom Menace 00:03:44

[tenth-sentence]

As in the case of hormone signaling, light signaling typically involves interactions between multiple photoreceptors and their signaling intermediates.

"Plant Physiology and Development" int'l 6e - Taiz, L., Zeiger, E., Møller, I.M., Murphy, A.

[technobroo]

Did you know that the human eye can perceive images with an incredible resolution of 576 megapixels? 🤯 Our eyes are amazing organs that allow us to see the world in stunning detail! From photoreceptors and rods and cones to the retina, fovea, and optic nerve, the complex structures of our eyes work together to create the images we see. 🌎💡 #HumanEye #576Megapixels #EyeAnatomy #Retina #Fovea #OpticNerve #Photoreceptors #RodsAndCones #VisualPerception #SensorySystem #Perception #Biology #AnatomyAndPhysiology #ScienceFacts #AmazingEyes #VisualAcuity #ContrastSensitivity #ColorVision #Dept lhPerception #DynblamicRange #Neuroscience #DiscoverScience #ScienceCommunication #ScienceIsCool #WondersOfTheBody #NaturalWonder #EyesOfInstagram https://www.instagram.com/p/Co3l6xKqalv/?igshid=NGJjMDIxMWI=

[vaidyanamah]

Physiology of Vision | नेत्र क्रिया शारीर : An overview

Physiology of Vision | नेत्र क्रिया शारीर : An overview

Vision is the special sense of sight that is based on the transduction of light stimuli received through the eyes. Let’s see the physiology of vision. नेत्र क्रिया शारीर :- इंद्रिय ज्ञान के लिए इंद्रिय अर्थ, इंद्रिय, मन व आत्मा में संबंध होना चाहिए, नेत्र में रहने वाला पित्त जिसका काम रूप आलोचन का है और तारक में रहता है इसलिए उसे आलोचक पित्त कहते है। आचार्य भेल ने इसे दो प्रकार का बताया…

[godsofhumanity]

Apollo be like "Can I change my animal"? And ask to get the Mantis Shrimp as a symbol

The aesthetic? It is also called a peacock mantis shrimp for a reason, it's flamboyant as hell (also to mess with Hera), perfectly Apollo.

Believed (while wrong) to be able to see much more colors than humans? That's a quality Apollo would want.

Can hit as fast as a bullet? Apollo has some beef with bullets for replacing arrows in relevance.

Creates a collapsing bubble with a temperature comparable to THE SUN, of all things, and said by some to be louder than a whale?

I rest my case

lol i like it!

[wikipediadogdotnet]

red guy is literally a cephalopod idk how I didn't see it sooner . the big protruding eyes the red color for ocean camouflage the undistinguished limbs the strands of 'hair' it all makes sense now . this means one thing tho : he's colorblind

[figandthewasp]

[ollietime]

yknow how people say mantis shrimp see more colors than we do because they have like 16 color receptors and we have 3? thats not true their eyes just work different

[cailynnjohnson]

photoreceptor cell line

Characterized by the functional deterioration of neurons, neurodegenerative diseases present severe implications for individuals and society. Creative Biolabs has developed several culture systems to study the pathogenesis of neurodegenerative diseases. Our diverse cell models allow better characterization of disease markers and in vivo physiological conditions. In addition, our model also improves the understanding of human neurodegenerative diseases and can better characterize pathological mechanisms. Learn more about the photoreceptor cell line.

[bpod-bpod]

A Numbers Game

If IKEA flatpacks have taught us anything, it's that you need the right number of pieces. Same goes for your nervous system. Researchers investigate how correct neuron numbers are produced using confocal microscopy of the developing fruit fly visual system (pictured). Projections from light-sensing cells (cyan, middle bottom) release the chemical EGF, triggering precursor cells to become neurons (yellow). Precursors are arranged in columns of six, but only five become neurons, the sixth dies. Another cell type – glia (magenta, middle bottom) – also aid neuron development. Using mutant fly larvae whose photoreceptors don’t release EGF and hence neurons are lost, the team showed that restoring EGF restored neurons. But if glia were prevented from responding to the EGF, the neurons didn’t develop. Glia were found to release chemicals triggering neuron development and certain neurons were shown to release chemicals preventing the extra precursor from becoming a neuron. So, complex cell-to-cell signalling controls neuron numbers.

Written by Lux Fatimathas

Image from work by Anadika R Prasad and colleagues

Department of Cell and Developmental Biology, University College London, London, UK

Image originally published with a Creative Commons Attribution 4.0 International (CC BY 4.0)

Published in eLife, September 2022

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[sw5w]

Probe Droid Returns

STAR WARS EPISODE I: The Phantom Menace 01:16:22

[crevicedwelling]

I met some relatives of my beloved leatherleaf slugs in the mangroves of Singapore, the onch slugs! they’re perhaps some of the slowest-moving animals I’ve ever encountered; this is one in a hurry:

the species pictured is a Platevindex, which are particularly interesting to me since their backs are studded with extra eyes! the dorsal papillae each have a little black dot that’s a photoreceptor, which helps the slug detect changes in light exposure.

onchidiids are marine animals, living on costal rocks and in mangroves, but breathe air and spend much of their time out of the water. like the leatherleafs, they’ve got a dry, tough hide that maintains water balance, but Platevindex takes that to an extreme—when I picked one up, it felt like a vulcanized rubber tire!