#tapetumlucidum

[enchanticleer]

ID: a black and white digital sketch decorated with animated snapchat stickers. the drawing js of a cartoonishly skinny person with curly hair slumped upside-down in an upright coffin, their knees bent, looking disgruntled. a ghost with a skull-like face curls over the top of the coffin, making claws in the air down at them. the stickers are various birthday-themed artifacts and the number 24. end ID

WIP for my birthday baby it's that time of year again

[tapetum-lucidum]

ID: a poster by Obvious Plant titled "Take care of your mental health" with nine suggestions with illustrations in a grid. the illustrations are all redrawn digitally with black and white character portraits. 1) "talk about your feelings" is melvin quill, who has messy hair in a bun and glasses, smiling benignly. 2) "keep active" is iraia miller, a snake wiggling through the air with an open mouth. 3) "eat an potato" is morgan b slater, a woman with round glasses and a sweater holding some french fries. 4) "recite a dark spell" is an amorphous black blob with trails of darkness and sparkle shapes. 5) "throw your phone in the lake" is val malone, a man with messy gelled-back hair hunching his shoulders and looking suspiciously at the blob. 6) "kiss a bird gently" is keahi lamarr, a woman with bangs and a curly bun, holding up a chicken and smiling. 7) "scowl" is nora, a woman with a spiked leather jacket and half-shaved hair, glaring. 8) "make fun of someone you don't like" is a little clownlike elf on the shelf doll, smiling mysteriously. 9) "lie down in the dirt and let the earth slowly reclaim you" is cassidy, a curly-haired person pinching the bridge of their nose looking exhausted. end ID

Some of the Tapetum Lucidum cast offer their self-care strategies of choice!

[phishouttawatta]

This little (I believe) Tigrosa annexa was a perfect little model while I was nerding out hard core. You can see their little tapetum lucidums shining!! . . . #wolfspiders #wolfspidersofinstagram #tapetumlucidum #spiders #spooder #twinkling #nocturnalwildlife #nativewildlife #arachnid #headlamp #liveepiphanies #thingsineverknew #backyardwonders #tigrosaannexa https://www.instagram.com/p/Ch3tFc-gdfW/?igshid=NGJjMDIxMWI=

[cthulhu-thecat]

Yes your jeans fit me perfectly, thank you female Hooman. #denim #jeans #tapetumlucidum #cateyes #flash #instafashion #meowdel #meowdel_feature #bestmeowdels #bestmeows #catpic #catpicoftheday #ifitfitsisits #purrfect #cthulhuthecat #tabbytuesday #tabbylove #tabbynation #whiskerswednesday #whiskers #purrfection #cutenessoverload #cutecat #hooman #pawrents #meowholic #catsofinstagram #lifewithcats #wtf #cozycat (presso Piacenza) https://www.instagram.com/p/B2gVBpmIKTd/?igshid=1ktgddktekx35

[doyouthatknow]

Animals With Tapetum Lucidum

The pitch-dark night in glowing eyes, can be very frightening for everyone. Some animals eyes, especially at night because it shines behind the retina private, they have a reflective surface. Called the tapetum lucidum of the surface, found in some animals, but all of them that exist in the eye of the essence of the membrane layer. It helps animals see better in the dark. When light enters the eye, a photo that transmits hit information to the brain receptors. But sometimes the light photo-receptor, not tapetum lucidum acts as a mirror so as to return it a second chance. Tapetum lucidum, the eyes of animals that causes a reflective surface to look like it was glowing in the dark. There is this layer of the eye or nocturnal nocturnal animal species many, and people do not have tapetum lucidum in their eyes. Tapetum lucidum is found in vertebrate and invertebrate animals, but is more common in mammals. Anatomy and physiology of the eye Rods and cones in the eye, called photo-receptor cells, which contains sensory cells detect light energy, and functioning. Distinguishes between light and darkness, rods, cones allocates colors. These sensory cells and the brain through the optical nerve which transmits the signal to an image-forming layer of the eyeball is the retina, which covers. Tapetum lucidum of all the animals that have the same color as the eyes don't see. The reason is due to the different materials such as zinc or riboflavin in the Society of an animal. Additionally, there are varying amounts of pigment in the retina, and this can affect the color. Age and other factors also can change the color of the eye so that the brightness in two different colors of the same type may have the eyes to see even the dog.For example, while it's glowing eyes are usually a bright yellow color of a Siamese cat, cats in bright colors often Yesil has glowing eyes. Schnauzer dogs with shimmering turquoise eyes. Some animals, humans

 , like behind the retina is located, and the light-absorbing pigmented cell layer called the choroid. Tapetum Lucidum Membrane Called the tapetum lucidum behind the eye in some animals provide an additional layer of. This reflective membrane is located directly behind the retina. In other words, when light enters the eye, the membrane exits. Tapetum lucidum, these animals, their eyes mirror in dark environments the brightness of the eye that gives a quality that makes it is called. The brightness of the eye to produce a light source into the eyes of the animal should be directed to the tapetum lucidum, which must be reflected from it. The reflected light shining out of the eyes of Animals shows. The purpose of current or lucidum the animals who live in the tapetum to develop a vision for low light areas. The brightness of the eye and night vision Contributed mainly to the presence of tapetum in the eye, and more accurate in low light situations allows you to see animals at night. Tapetum lucidum in his eyes in most of the animals are mammals, but some reptiles, amphibians and invertebrates also use this reflective membrane. Depending on the brightness of the eye color of animal, orange, yellow, Yesil, or blue may appear. Different species of the eyes, color in the eyes and the angle of the light shining on the eyes as well as depending on the angle, different colors, too, shines. The brightness of the eye color may change as the animals get older. Some animals have glowing eyes at night brighter than the others. However, there is a swap for improving your night vision. Bright eyes in the eyes of the animals that can best produce the cone has less brightness. As a result, they may be completely color blind or color is limited to the restrictions.

Glowing-Eyed Hunters Tapetum lucidum most of the animals in Night Hunters and usually everyone that sees the cat's eyes glow in the dark. House cats and big cats like members of the cat family, have eyes that reflect the light in the darkness. Dogs, foxes, wolves, ferrets, and other predators such as crocodiles exhibits bright eyes. Improved night vision, and trail the movements of these carnivores hunting in low light conditions makes it easy for you to find. There are many fish species in the reflective membranes, and this helps to hunting in deep water with very little light. Some bird species, such as owls, the eyes might seem clear, although the tapetum lucidum is the layer in your eyes. Without Predators, The Eye Brightness

A few species of hoofed animal, the tapetum lucidum is the layer with the eyes. Deer are active at dusk and dawn, before sunrise and after sunset also benefits from views advanced. Also in cattle, which horses in the daytime and are active at night, as well as the brightness of the eye. Tapetum lucidum, in the dark for hunters to help seize their prey have evolved, although DICE may be developed as a defense mechanism to detect these night hunters. His tapetum lucidum in the eyes of non-hunters among the, squirrel, pig, camel and kangaroo courts. Bibliography: * The Texas Parks and Wildlife: Eyeshield * The British Journal Of Ophthalmology: Mirror, Mirror On The Wall  € ¢ National Public Radio: In The Dark Milks His Eyes Shining?   https://www.orak11.com/index.php/the-taste-cats-cant-get/ Read the full article

[premetheus]

Taken today at 9:10 AM. #Glow #GlowingEyes #Cute #Cat #Kitty #KittyCat #Meow #Carpet #BlacklightFlashlight #Carpet #DIYBlacklight #TapetumLucidum #Fur #Furry #Purple #Violet #Blue #White #WhiteFur #Winter #PureMichigan #MichiganAwesome #Michigan

[petshelps]

Why do Cat Eyes Glow in the Dark?

https://www.petshelps.com/?p=847 Why do Cat Eyes Glow in the Dark? - #Cat'sNightVision #Cats #catseyesglow #Tapetumlucidum - https://www.petshelps.com/?p=847...

[ayakill]

#tokyo #walk #sound #cat #art #tapetumlucidum #tamochiai #view #space #音 #studio_hortz #phent_quyh #東京 #日本 #studiohortz #phentquyh #japan #猫 #美術

[amicoshitan]

Can Cats See In The Dark?

Cats are very active at night chasing a mouse around the house, especially on the roof. That is strong evidence of cats can see in the dark, but not too convincing. Let’s find out the real answer to this topic! 

Feline pets are not nocturnal as everybody concludes. They are crepuscular animals which mean being active around dawn and sundown. With that, cats cannot still perfectly see in the dark. The truth is no one can see when all light is blocked unless some level of light is available. Just like humans, our feline friend can see in very low light areas.

To know more about the cat’s vision, read until the end of this post.

About Cat’s Vision

Cats cannot focus well on distant objects but have a better night vision than humans. They have a blurry vision but can see in a wider field with 200 degrees vision compared to 180 degrees for humans. They are attentive to subtle movements and light changes that push them to respond quickly.

Cat’s Eyes Intelligent Design

Perhaps the reason for the cat’s unique vision is on the design of their eyes. They have big eyes in a different color. Most parts of it are similar to human eyes like the pupil, retina, lens, and many more.

  10 Tips for Raising a Friendly Cat Below are the parts of the cat’s eyes with their functions for low-light situations. Let’s take a glance at their mysteries!

Pupil

Cat’s eyes can collect maximum light when the pupil dilates to full circles. This happens more often at night. On the daytime, their eyes are an as straight vertical line that allows them to focus. The more it dilates, the more light can enter the eye.

However, the cat’s night vision is a bit blurry but can experience 135 to 300 fold-changes compared to humans with only 15 fold-changes.

Retina

As long as light enters the pupil, it will activate the retina. It is located at the back of the eye with a light-sensitive layer lining.

The two cells called rods and cones are responsible for magnifying light impulses. Cats do have 25 out of 26 cells more than humans have. It helps to let cats see the world in far greater detail.

On the other hand, cones have less room in the retina than rods. They are the eye’s color receptors in three peak color sensitivity. Cats see the world less saturated compared to human’s sight. They see things blurry from a distance just like a near-sighted person can see.

TapetumLucidum

Behind the retina is the tapetumlucidum which is a reflective layer of the cat’s eyes. This is the reason why their eyes glow and turn into another color whenever reflected by a bright light. The light that enters through the retina will go towards the tapetum and then back to receptors.

Some cat breeds have abnormal cells even they have a tapetumlucidum on which causes them to not see in the dark. Examples are Siamese and other blue-eyed cats.

Lens

Cats have a larger lens than humans. It helps them to see things in a wider aspect both day and night in different quality to human’s eyes. Cat’s lenses permit ultraviolet or black light, unlike humans. This unique trait helps them to track urine trails and other camouflaged prey.

Cornea

Cat’s cornea is different from humans in some ways. It is the clear outer portion covering the eye with thin layers. Light will hit these cells before the retina.

Other Ways Cats See in the Dim

More than a cat’s eyes design, there are other senses used by cats to see in the dark, which includes the following:

The Whiskers

Cats easily detect light vibrations within their vicinity through the help of whiskers, connected to nerves. It works to help cats detect any object coming their way. For example is when cats walk through the field at night, they will not panic in running to objects they cannot see.

Hearing

Cat’s hearing range is at a low frequency compared to human hearing. They can hear up to 64 GHz which is higher than the dog’s range. Felines do swivel their ears to discover where the sound is coming.

Smelling

Another way of cats to see in the dark is through their nose. Their nose system has many more receptors than humans. To add up is the vomeronasal organ found in the roof of their mouths which helps them to smell chemicals. Though cats are having a hard time seeing in the dark, they can use this sense to still understand their environment.

Cat’s Vision Demonstration

Cat’s vision differs during daytime and nighttime, compared to us humans. We will try to portray how cats see the world through words below.

Their daytime eyesight is somewhat blurry because of too much light. They cannot handle the abundant amount of light very well unlike human eyes. Cats feel overly exposed to light because of the rods in the retina.

On the other side, a cat’s night vision is more detailed in a low light situation. They can see a clearer image magnified by the limited light during the night. Humans at this point are having a hard time seeing in detail.

Overall, cats have indeed unique eyesight. It differs a lot from human vision. They are different in the daytime and at night. And yes, cats can see in the dark but not in total darkness.

Final Answer

With the gathered information above, cats won’t see clearly in the dark but their night vision is higher than humans. Things around them appear in a limited color vision in shades of blue and green. A little light might help cats to have a wonderful night vision to catch rodents in the dark. Thanks to their intelligently designed vision!

I hope the facts about the cat’s vision meet your needs. Share this post with your friends taking care of cats! It may help them to understand the wonders of their pet’s vision in the dark.

For more studies about feline pets, just visit this site. Thanks!

[enchanticleer]

ID: a digital drawing on a dark teal background of a skinny pale person, rendered in purples with light teal accents. they have fluffy curly hair and are wearing a birthday hat and a turtleneck while delicately removing the wrapper from a cupcake with a slightly morose expression. light teal cartoon ghosts are scribbled around them, and the text "twenty three!" end ID

it's february 10th SOMEWHERE; happy birthday cassidy!

[phishouttawatta]

All the spooders . . . #wolfspiders #wolfspidersofinstagram #tapetumlucidum #spiders #spooder #twinkling #nocturnalwildlife #nativewildlife #arachnid #headlamp #liveepiphanies #thingsineverknew #backyardwonders https://www.instagram.com/p/Ch3sXKRg__e/?igshid=NGJjMDIxMWI=

[j-lle]

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A post shared by @oken_en

(via @oken_en sanoo Instagramissa: “👁👁👁👁 #tapetumlucidum #eyes #猫 #cat #catsofinstagram #instacat ”)

[petqwerkstoys]

10 Interesting Facts about Dogs

Dogs have been widely considered to be the best possible pet for some time (sorry, cats!), and while most everyone possesses some basic knowledge of the furry friends—what they like to do and eat, for example—there are still quite a few facts and points about canines that many are unfamiliar with.

Let’s take a look at ten interesting facts about dogs!

10. Dogs Have More Teeth Than Humans

Interestingly, the average, fully grown dog has 42 teeth, while puppies have 28; adult humans, however, have only 32 teeth! We always knew there was a reason that smiling dogs looked so awesome!

9. Dogs Run Naturally Hot, Compared to Humans

Although most humans are the ones that need to “chill out”, dogs actually have a much warmer internal temperature—normally between 101 and 102.5 degrees Fahrenheit! Humans have an internal temperature of 97.8 degrees to 99 degrees Fahrenheit, typically.

8. Black and White No More!

Although dogs are commonly believed to possess black-and-white vision and be colorblind, they are actually able to see in a number of colors that scientists are still disputing, including blue, green, and yellow.

7. France Loves Dogs!

Despite boasting a population of just 66 million residents, which although notable, is only about the twentieth largest in the world, France is also home to the second largest number of dogs in a country, behind the US.

6. The US Loves Dogs More (Overall, Not Per-Person)

The US is home to more dogs than France, as 70-80 million furry friends are members of human families here. However, this of course means that there are less dogs owned per-person in the US, so the ever-raging debate as to which country loves dogs more is showing no signs of slowing down!

5. Bluey The Dog Lived For 29 Years!

The life expectancy of the average dog is on the rise, but from 1910 until 1939, Bluey, an Australian cattle dog, defied the odds and lived a healthy twenty-nine-year life, when medical care was far from as advanced as it is today. Talk about an awesome run!

4. Dogs’ Sense of Smell, Generally, Is Up To 100,000 Times Greater Than Humans!

Everyone knows that dogs can detect scents much more impressively than humans can, but in pure statistical form, their ability to pick-up on smells is over 100,000 times stronger than that of people!

3. Night Vision, Check!

Dogs can see very well during the night, unlike humans, thanks to a special component in their eyes, tapetumlucidum. However, as dogs age, their vision does deteriorate like that of humans, and naturally, issues navigating without the assistance of light arise first.

2. Dogs Move to Their Own Beat and Rhythm

While humans have an average heartrate of 60 to 100 beats per minute, dogs boast an average heart rate of 60-140 beats per minute. Dogs beat, move, and think fast!

1. Dogs Hear It All!

Thanks to their specific internal make-up, dogs possess the ability to hear sounds over four times further than those which humans can recognize! Talk about really hearing it all!

These facts are both interesting and educational, but still, there is quite a bit more to know! Good luck learning about and loving dogs!

Originally posted on http://petqwerks.com

[miscreationnation]

"Hiss,” says the octorelio, oh what padded tentacles I have! These little guys love to play ball with each other. They have the largest tapetum lucidum of all known creatures. This layer of tissue reflects light back through the retina allowing octorelio to see in the dark and deep waters of Metonia, where their favorite snack, korkles, roam; korkles are the deep sea version of kurkles... Crunch little korkles, How I love you so! The tissue in my eyes makes it bright, So I can see where you go!... #octopus #animal #tapetumlucidum #tentacle #etsy #handmade #sculpey #arttoy #cat #love #like #alwayshappy #happy #artatx #austin #austintx #cute #smile #prettygirl #girl #science #femalescientist #scifi #cateye #hazeleyes #curlyhair #girls #freckles http://ift.tt/2rNMpiz

[splendidchaos]

Juno approves of the new sheets and the new mattress. After all, it's like it all belongs to her. #thejunester #sheshareswithme #tapetumlucidum #nictitatingmembrane #annoyed #reallylady

[enchanticleer]

[ID: two copies of a digital drawing of a short and baggy clown-like cloth doll with a smug expression, partially traced from the popular image of a "small but knowing clown," but parts have been redesigned and recolored to resemble an Elf on the Shelf. the first image has a transparent background, the second has a dark grey background. /end ID]

i don't need to explain myself