At the exploratorium, we dissect cow eyes to show people how an eye functions, and look at the parts that make up an eye. Remove the lens by pulling it free from its attachments. Student lab guide for dissecting a cow or a sheep eye. One eye of choice for dissection, that closely resembles the human eye, is that of the sheep. Contains detailed instructions, images and an image for labeling the parts of the eye, such as the retina. Sheep eye dissection procedures the anatomy of the human eye can be better shown and understood by the actual dissection of an eye. In this experiment, students will dissect a cows eye to learn the anatomy of the eye, and compare and contrast a cows eye and a human eye. This cow eye dissection kit comes with everything you need to conduct a lab examination. Dissection of the cow eye period prospect ridge academy. Thats the vitreous humor, a mixture of protein and water. This lesson plan describes the cow eye dissection in detail. The exploratorium site demonstrates the process of a proper cows eye dissection. Due to the fact that the eye has been preserved, the cornea is cloudy and bluish gray in color.
Produced by project neuron at the university of illinois at urbanachampaign. The cow eye dissection lab what are the structures of the mammalian eye and how do they function. Cow s eye dissection page 5 the back of the eye is. Physiology home labpaq each labpaq comes complete with a full color lab manual on. Differences between the two eye types will be mentioned as the dissection is completed. To download this video and access free educational materials. On the posterior side of the eye, nestled in the fat and muscle tissue, there is a noticeably round protuberance that feels stiffer than the surrounding tissue. Perform cow eye dissection with hsts science project guide. Its a clear lump about the size and shape of a squashed marble. Sign up for free membership to access the free downloadable handbooks. This is the optic nerve, and it sends the images collected in the eye to the brain. To download this video and access free educational materials, please visit.
Explainer cow eye dissection i video 20 i exploratorium. Instructions include an eye diagram, a glossary, and color photos for each step. Cow eye clic k safety considerations age appropriate activity for the children in your care material safety data sheet msds available for accident reference poison control numberphone readily available latex free gloves, eye protection and apronlab coat eyewash station, shower and sink sharp instruments cut away from self. Free response questions using the rubrics of 2001filename. Procedure cornea optic nerve fat muscle sclera cornea procedure continued on the next page. Begin the dissection by gathering the equipment and supplies listed here. Learn how to dissect a cow s eye in your classroom. 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.