Pig Eye Dissection.
dora.mataritsPig Eye Dissection
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Created by: Minka N. and Dóra M.
Step #1
We removed the fat to be able to identify the external parts of the eye. The fat tissue protects the eye, and supports its shape.
Identification.
Step #2
Sclera: the tough outer covering of the eyeball. It protects and maintains the shape of
the eye.
Cornea: filters UV wavelenghts from the sunlight, and
also protects the eye.
Optic nerve: transports nerve impulses from the eye to
the brain.
Step #3
First we cut down the Optic Nerve where the information exits the eye,
then with a scapel we made an incision in the sclera, and we cut the eye in half.
The vitreous humor flowed out and the eye lost its shape.
With the vitrerous humor the lens also flowed out, which is a hard sphere shaped organ, that
focuses light and clears the images . They also flip them, because they bend light rays.
Now we could turn the eye inside out to be able to identify the internal parts.
Cutting an incision
Step #4
Identification #2.
Vitreous humor: holds the shape of the eye.
Retina: lines the back of
your eyes, and contains
light-sensitive cells.
Iris: the colored
part of our eyes,
which also
regulates how much
light enters the eye.
Cornea: a clear tissue that covers the front of the eye.
Lens: a flexible tissue that focuses ight.
