VIRTUAL COW EYE DISSECTION
Date:_________
GOOGLE: Virtual Cow Eye Dissection, go to 3rd site: eschoolonline
Click on the EYE ANATOMY ICON (lower left)
1) Click on each of the following structures and fill in about each:
A) CORNEA: _________ outer coating covers the _______ & ________
B) PUPIL: _______ opening at the center of the IRIS which allows _____ to
enter the eye.
C) IRIS: the eye’s _________ part, with its muscles it controls the amount of
__________ to enter the eye.
D) SCLERA: Tough, ___________ protective tissue that covers all the eye
except the cornea.
E) MUSCLES: ____(#) muscles, they allow the eye to move up, _____, and
all around!
Now Click on: View Sliced Eye icon
F) LENS: _________, clear part of the eye that focuses light on the ______
G) AQUEOUS HUMOR: _______ fluid that fills the FRONT part of the eye
between the cornea, lens, & iris.
H) VITREOUS HUMOR: ______-like substance that fills the _____ part of
the eye behind the __________
I) RETINA: The lining of the back of the made of ______ layers that
are very sensitive to __________
J) OPTIC NERVE: connects the eye to the ___________
K) BLIND SPOT: where the ___________ nerve leaves the retina,
no light sensitive cells there!
CLOSE THE WINDOW NOW!
Begin the DISSECTION NOW! Click on that.
Click and drag the parts to the grid as directed.
The first parts on the “outer” eye are the _________ Humor, Iris, and C___
Next outside is the SC______, then the L______.
Do the entire dissection. Look at the ACTUAL PICTURES before leaving site.
GOOGLE Back to Virtual Cow Eye Dissection
Go to the 4th site: The Biology Corner
Go thru the actual dissection here, fill in the following:
1) Cut the ______ from around the outside of the eye (we may have to do!)
2) Puncture the c________ with the scissors, the __________ humor leaks
out. What does the CORNEA really look like? (describe it)
3) Cut the eye into ___________ & _______ halves.
4) Open the eye, the gel fluid is the ____________ humor. Describe what
the V.H. looks like:
5) What will the lens look like?
6) What does the IRIS look like ?(it is supposed to be the COLORED part!)
7) What will the PUPIL look like in conjunction to the IRIS?
8) Describe what the RETINA really looks like.
9) What is the TAPETUM?
Do humans have this??
10) On the back of the eye you will have to dissect fat away CAREFULLY
to find the __________ __________ coming out of the back.
THAT’S IT! You’re ready to dissect that cow eye
NEXT TIME! 
(KEEP this in your LAB portion of your NB, do not turn it in!)