Sheep eye dissection pdf

This cow eye dissection kit comes with everything you need to conduct a lab examination. Sheep eye dissection amazing world of science with mr. Instead of using a rodent brain too small or a human brain no volunteer donors, we will study neuroanatomy by examining the brain of the sheep. If the pdf does not display below, you may also download it here. The four extrinsic muscles humans have six move the sheep eye. Print out these diagrams and fill in the labels to test your knowledge of sheep brain anatomy. Purchase a sheep eye from a butcher order ahead put on the old shirt put on gloves and eyewear spread the disposable garbage bag outyou will do your dissection on it, and then use it to throw everything awaytime had more than 180 ewes and set out the meat tray use as a dissection pan and scissors. This lab helps students understand eye anatomy and parts, suitable for middle school science. Cow eye dissection guide central bucks school district download stepbystep instructions pdf file for doing your own cows eye dissection. Once cleaned spaces are approved by the facilitator, students should dispose of gloves, clean and replace their goggles, and immediately wash their hands at the nearest sink. Your guide to dissection since 1817 dissecting an eye before dissection, allow the students to a have a good look at the eye and see if they can identify any parts of the eye. Rather than enjoying a fine pdf behind a cup of coffee.

To learn about how your eyes work, you can dissect, or take apart, a cows eye. Eye dissections are conducted to examine the structure of an eye and to consider how the components of the eye work separately and together. Have your students work in pairs on the sheep eye dissection. Examine the back of the eye and find extrinsic muscle bundles, fatty tissue and the optic nerve. Function cornea transparent cover anterior helps eye focus sclera white part of eye both attaches muscles of eye. Sheep eye dissection lab sheet thank you very much for downloading sheep eye dissection lab sheet answers. Learn sheep eye dissection with free interactive flashcards. The next several steps will view this surface of the brain. Cut the fat and muscles off the eyeball so that you can see the sclera. Sheep eyes are removed at the time the animal is slaughtered and then preserved for later use. As part of the 7th graders current unit on the heart and circulatory system, we had a current parent come in dr. This is after making an incision on the thin layer of the cornea. Dissecting and diagramming the eye environmental science.

Maisa and the remc association of michigan best practices in technology. Feb 22, 20 sheep eye dissection virtual practical exam practice quiz for anatomy duration. Cow eye dissection may 20 2 dissection equipment should be washed, and work spaces should be wiped down with paper towels and a spray cleaner. It contains all of the steps and background information necessary for the dissection. Together with the lens, the cornea refracts light and helps the eye to. The white part of the eye, the sclera, is a tough, outer covering of the eyeball. Sally wilson dissects a sheep eye for her students in anatomy and physiology 1. Choose from 500 different sets of sheep eye dissection flashcards on quizlet. Youll need a scalpel or sharp scissors to cut through the sclera outer.

The cow eye dissection lab what are the structures of the mammalian eye and how do they function. Name the three layers you sliced through when you cut across the top. If this is the case, have them move on to the eye model and comparative neuroanatomy activities. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Download stepbystep instructions pdf file for doing your own cows eye dissection. Before dissecting the eye specimen, look at all the anatomical features around the eye. The white part is the sclera, the outer covering of the eyeball. Sheep eye dissection amazing world of science with. Sheep s pupil is larger and oval shaped, while the human pupil is round. Dissection of the sheep brain the basic neuroanatomy of the mammalian brain is similar for all species. The structures have certain functions and together, they form images that are interpreted by the brain. C a cardiac electrophysiologist to give a presentation to the whole 7th grade about the heart, pacemakers, heart health, and perform a dissection on the sheep heart. How does it compare to the shape of the human pupil. Use a scalpeldissecting razor blade and dissecting pan to explore the amazing ways in which a sheep.

By the end of the dissection students will beable to identify various parts of the eye. Cows eye dissection page 4 use your scissors to cut around the middle of the eye, cutting the eye in half. Most likely you have knowledge that, people have see numerous period for their favorite books with this sheep eye dissection lab sheet answers, but stop going on in harmful downloads. Sheep eye dissection, stepbystep with accompanying color photographs from. Instructions include an eye diagram, a glossary, and color photos for each step. On this page you can read or download biology practicals the eye in pdf format. Review with them the safety instructions indicated in the safety section above and. The mammalian eye consists of many specialized cells and tissues that make up several different structures. The function of the aqueous humour is to not only moisturize the. Powered by create your own unique website with customizable templates. Lens bends light rays to the back of the eye retina.

Jomille, jasmine, kurt, joseph 8c by this point, we have spotted the aqueous humour. This video walks through the dissection of a sheep eye. This video was put together using clips from the grade 10 science class at wss. Youll need a scalpel or sharp scissors to cut through the sclera outer covering. Differences between the two eye types will be mentioned as the dissection is completed. Before allowing students to begin the dissection activity, provide them with clear instructions and expectations. Sheep eye dissection procedures the anatomy of the human eye can be better shown and understood by the. Dissection tools and trays, lab gloves, lab glasses if desired, and preserved specimen external brain 1 the tough outer covering of. The anatomy of the human eye can be better shown and understood by the actual dissection of an eye.

After completing all answers click here for correct answers. Also the sheep brain is oriented anterior to posterior whereas the human brain is superior to inferior. Posterior external eye structures select a place to. Procedure cornea optic nerve fat muscle sclera cornea procedure continued on the next page. Like a cow eye, a sheep eye is similar to the human eye, making it a popular dissection specimen. We use cookies to provide you with a great user experience. Instruct your students to get and put on the appropriate personal protective equipment. Eyes suitable for dissections include fresh cow, sheep or pigs eyes purchased from a butcher, abattoir or a supplier that has passed relevant health inspections. Sheep eye dissection offers a lowercost alternative to cow eye dissection. By using the sheep brain and cow eye, learning becomes easier. Recommend all students watch this video prior to attending eye dissection in class. Sheep eye dissection pdf by bryan f teachers pay teachers. This lesson engages students by asking them to compare a camera with a mammalian eye.

The teacher will sign off on the following parts as you find them. Practical activity one eye dissection and uv absorption. It also helps you see by bending the light that comes into your eye. Sheep brain dissection project guide hst learning center. Adapted by laura sanders, environmental science institute. Eyethe eye is anextension ofthe brainit helps us takein lightinformationfrom oursurroundings. The carolina mammal eye dissection guide is a general set of instructions for dissecting mammal eyes. Amy rice orourke, rochester community schools, co hampton school, 530 hampton circle, rochester hills, mi 48307. Classroom teacher preparation anatomyphysiology 14. Brain and eyeball dissection lab report gabrielle warner introduction why are the sheep brain and cow eye used to study anatomy. Use a scalpeldissecting razor blade and dissecting pan to explore the amazing ways in which a sheep s eyeball works. Dissecting and diagramming the eye environmental science institute. A quick tutorial a very quick version of the sheep eye dissection done in class. Sheep eye dissection tutorial and a variety of worksheets are available online at.

Ciliary muscles produces aqueous humor and controls lens shape. The sclera gives the eye its shape and helps to protect the delicate inner parts. Dissection tray and pointer dissection scissors scalpel eye protection protective clothing apron, labcoat gloves latex free sheep heart identification checklist doc or pdf for students one for use in lab, extra copy for reference sheep heart example biological suppliers. The cornea is made of pretty tough stuffit helps protect your eye. The blue covering over the front of the eye is the cornea. Before beginning the dissection of the sheep brain you will need to know the terms used to specify the location and relative location of various brain structures. The most noticeable part of the eye is the large mass of gray tissue that surrounds the posterior back of the eye and is attached to the. Also, it is the attachment point of the muscles that allow the eye to move. Sheep eye dissection lab sheep eye dissection procedures. A pair of olfactory bulbs may be seen, one under each lobe of the frontal cortex. I am a hands on learner and when i can touch or see things i am able to make connections. Dissecting and diagramming the eye technology and dissection lesson plan for grades 47.

One eye of choice for dissection, that closely resembles the human eye, is that of the sheep. Sheep eye dissection lab 8c by jasmine martinez on prezi. Sheep eyes are available from carolina biological and other lab material companies. How do the various parts of the eye function together to make an image appear on the. It is likely that your eye specimen has fat and connecting tissue that will. Make sure to label the sclera, cornea, optic nerve, and muscles. The blue is the cornea, which starts out clear but becomes cloudy after death. Colored ring of muscle that changes the size of the pupil. Eye dissection please use the following to prepare for the next sfs lesson. Brain model, sheep brain, spinal cord model, spinal nerves model, eye model, ear model, cow eye, and histology slides learn with flashcards, games, and more for free.