Dissecting the cow’s eye helped us to see all the different parts of the cow eye and see how they work and where they are in the eye. The cows eye was very helpful in identifying what our eyes look like and the how they work. I now feel confident in identifying and labelling key parts of the eye. When we got the eye it was big, fatty and gross. The fat and muscle around the eye was very soft and mushy but difficult to cut. The inside of the cows eye there was a black liquid. Ultimately, the cows eye experiment was very helpful and fun to do.
How do human eyes differ from other organisms or other primates eyes? As animals evolved overtime with more complex bodies, the eye also evolved and became more complex. There are several differences that help the human eye stand out. In other primates’ eyes, a pigment is present that covers the sclera. Humans do not posses this pigment and that is why our eyeball is white. Humans eyes are also set closer together than many other animals. This gives humans depth perception, but lessens our ability to have good peripheral vision. Humans eye are also elongated horizontally, compared to other primates eyes. (Than, 2006)
"What are some common alternatives to the use of animals in medical and aesthetic product testing?" Voice for the Voiceless. 2001. Dec 9 2002. <http://members.shaw.ca/voiceforthevoiceless/ani_test.htm>.
Beauty is something that a lot of people in life strive for , because everyone has fitted in their mind what exactly beauty is. People know that it can help you out in life. But what most people don’t know is that, beauty is in the eye of the beholder. Meaning that beauty should not be characterized by what people are told it is, beauty is different for everyone, what is beautiful for you may be ugly to someone else. The characters in Toni Morrison’s The Bluest Eye are confronted with the ideal of beauty and strive for it whether they know it or not. The two characters that I think were followed the ideal of beauty in Toni Morrison’s story are Pauline and Pecola.
Mink Intro – External Anatomy Overview. (n.d.). mreroh.com . Retrieved May 27, 2014, from http://www.mreroh.com/student/apdocs/Dissection/Intro%20-%20External%20Anatomy.pdf
B. Quotation 2: “The other eye had been poked out and was now oozing white-yellow stuff that looked like jocoque” (52).
Our lives sometimes depend on our eyes. Think of covering your eyes and walking across a busy street. By investigating red eye and how it applies to our lives today, we can use it to our fullest advantage. For example, eye doctors shine bright lights into our eyes to get a look inside without harming us. This type of research can lead to major improvements on laser surgery and safer eye habits.
sore eyes, in a way that not only helps us, but will also allow the
Based on experimental evidence from the Astyanax mexicanus investigation, it can be argued that eye regeneration in the dark cave environment is due to adaptive evolution. Experiments that have been carried out on Astyanax cavefish do not seem to favor the neutral mutation theory. The results from these experiments have shown that several eye genes are pleiotropic and regulatory since they have many functions in development in addition to their eye forming roles. This means that the genes do not experience the neutral decay process. Even critical eye structural genes such as retinal opsin, which functions at the base of gene cascades, are still expressed during the eye development of cavefish. This is why the adaptation hypothesis based on pleiotropy is the most credible explanation behind the loss of eyes in cave-adapted animals.
The component of the eye is optically same as the usual photographic camera. It has a cornea, pupil, lens and retina. (1)
Throughout Toni Morrison’s controversial debut The Bluest Eye, several characters are entangled with the extremes of human cruelty and desire. A once innocent Pecola arguably receives the most appalling treatment, as not only is she exposed to unrelenting racism and severe domestic abuse, she is also raped and impregnated by her own father, Cholly. By all accounts, Cholly should be detestable and unworthy of any kind of sympathy. However, over the course of the novel, as Cholly’s character and life are slowly brought into the light and out of the self-hatred veil, the reader comes to partially understand why Cholly did what he did and what really drives him. By painting this severely flawed yet completely human picture of Cholly, Morrison draws comparison with how Pecola was treated by both of her undesirable parents. According to literary educator Allen Alexander, even though Cholly was cripplingly flawed and often despicable, he was a more “genuine” person to Pecola than Pauline was (301). Alexander went on to claim that while Cholly raped Pecola physically, Pauline and Soaphead Church both raped her mental wellbeing (301). Alexander is saying that the awful way Pecola was treated in a routine matter had an effect just as great if not greater than Cholly’s terrible assault. The abuse that Pecola lived through was the trigger that shattered her mind. In The Bluest Eye, Toni Morrison uses the characters of Cholly Breedlove and Frieda McTeer to juxtapose sexual violence and mental maltreatment in order to highlight the terrible effects of mental abuse.
According to animal homeopath, Beth Murray, CCH, RSHom (NA), “symphytum is a really important remedy in eye injuries,” especially injuries from a blunt blow to the eye, an orbital fracture or a corneal abrasion. Symphytum can be very useful when an animal is suffering from eye inflammation.
The Bluest Eye Toni Morrison is an African American writer, who believes in fighting discrimation and segregation with a mental preparation. Tony focuses on many black Americans to the white American culture and concludes that blacks are exploited because racism regarding white skin color within the black community. The bluest eye is a story about a young black girl named Pecola, who grew up in Ohio. Pecola adores blonde haired blue eyes girls and boys. She thinks white skin meant beauty and freedom and that thought was not a subject at this time in history. This book is really about the impact on a child’s state of mind. Tony Morrison has divided her book into four seasons: autumn, winter, spring, and summer. The main characters in this book are three girls, Claudia and Frieds McTeer, and Pecola Breedlove. Why was Pecola considered a case? Pecola was a poor girl who had no place to go. The county placed her in the McTeer’shouse for a few days until they could decide what to do until the family was reunited. Pecola stayed at the McTeer’s house because she was being abuse at her house and Cholly had burned up his house. The first event that happens in the book was that her menstrual cycle had started. She didn’t know what to do; she thought she was bleeding to death. When the girls were in the bed, Pecola asked, “If it was true that she can have a baby now?” So now the only concern is if she is raped again she could possibly get pregnant. Pecola thought if she had blue eyes and was beautiful, that her parents would stop fighting and become a happy family.In nursery books, the ideal girl would have blonde hair and blue eyes. There is a lot of commercial ads have all showed the same ideal look just like the nursery book has. Pecola assumes she has this beautiful and becomes temporary happy, but not satisfied. Now, Pecola wants to be even more beautiful because she isn’t satisfied with what she has. The fact is that a standard of beautyis established, the community is pressured to play the game. Black people and the black culture is judged as being out of place and filthy. Beauty, in heart is having blond hair, blue eyes, and a perfect family. Beauty is then applied to everyone as a kind of level of class.
...nation with effective results. Using mathematical combinations, unnecessary tests would not need to be performed on animals (Animal Testing: Toxic & Tragic). Using corneas from eye banks is a substitute that would relieve animals from Eye Irritancy Tests. Eye banks carry corneas from the deceased, whether it be human or animal. Using these corneas would be a faster and less stressful way for scientists to get better results and not have to worry about the pain of animals.
Microscope are useful in viewing the letter “e” and the cheek cells. It shows a close visual image, which help to observe the two objects. Following the methods is important, because it provides the necessary materials and the steps of the procedure. It’s extremely important to wear a apron , goggles, and gloves. Also, be cautious in using the materials. The purpose is to observe and how to use the microscope under the specimen. For the results each figure image shows the differences between the low-power and the high-power objectives. In those figure, it will explain the view of the image of a cheek cells and a close image of how does the letter “e” looks like.
As further protection, the eyelids automatically close when an object suddenly moves close to the eye.Parts Of the EyeThe eye is made of 3 coats, or tunics. The outermost coat consists of the cornea and the sclera. The middle coat contains the main blood supply to the eye and consists of the choroid, the ciliary body, and the Iris. The innermost layer is the retina.Cornea and ScleraThe Sclera, or the white of the eye, is composed of tough fibrous tissue. On the exposed area of the eye the scleral surface is covered with a mucous membrane called the conjunctiva.