Overview of the vertebrate nervous system week of september 8. Learn the external and internal anatomy of sheep brains with hsts learning. Sheep brain dissection human anatomy and physiology lab bsb. Finally, a section of the brain is cut to examine the difference between white matter and gray matter. Students learn about the structures of the brain through dissection and observation of this fascinating organ.
It can divide the brain and any location as long as it divides the brain from front to back. The lab guide has photos to help students find structures and questions and labeling to reinforce concepts. The following is the procedure for the actual dissection. Dont post outcomes results to learning mastery gradebook. The kit includes a stepbystep student guide with labeled color images for 1 or 2 students to participate in an introductorylevel lesson that includes locating and identifying external.
Sheep brain dissection purpose the purpose of this lab is to allow the student to participate in a dissection experiment and get a better observation of the anatomy of a sheeps brain. All students are required to wear goggles and nonlatex gloves while working with their specimens. These steps will need to be repeated prior to each laboratory session. With each type of brain there will be differences in size, structure, and brain regions, but the general structures and their area of location are relatively the same or very similar. The lab is setup as a station lab with each station designed to cover a different section of the brain. This brain is pinned to show the pineal gland, thalamus and lateral ventricle. Mammalian brains have many features in common so sheep brains are dissected to help understand the brains of other mammals as well. The dissection of the sheep heart posted by shannon muskopf. Gather supplies find a partner to work with and gather the following supplies. Bio30 brain dissection lab report by kayla arisman on prezi.
Sheep brain dissection picture guide sheep brain gloves. Brain anatomy as seen through the sheep brain dissection. There is the frontal or coronal planes which divides front from back. As an assignment, prepare a labelled drawing and a table organizing the identifiable regions names, recognizable physical features, and known functions. Read through the lab and answer the questions using the websites above as resources. See for yourself what the cerebrum, cerebellum, spinal cord, gray and white matter, and other parts of the brain look like with this sheep brain dissection guide. Pltw students demonstrate grit during sheep brain dissection.
To dissect a sheep brain to identify the main parts of the brain. Sheep brain dissection project guide hst learning center. Introduce students to the anatomy of a mammalian brain with this activity. Pay special attention to the items that can be found on your sheep brain lab companion to prepare for your lab exam. Lay your sheep brain with the right side up then compare it with the photograph of the right side of a sheeps brain in the sheep brain dissection picture guide. Follow the directions within this lab to properly dissect and expose the items on your sheep brain.
Introduce basic mammalian anatomy using the rat perform a rat dissection focusing on structure and function perform a dissection using an inquirybased approach experience the quality of carolinas perfect. Dissecting a sheep brain, students gain appreciation for the complexity of the brain. Sheep brain dissection lab sheep brain dissection lab. Sheep brain dissection worksheet today we will start our exploration of the nervous system by dissecting a sheep brain to familiarize ourselves with key brain structures. Johnsons sheep heart dissection posted by stacyelambert purpose.
I got a chance to dissect a sheep brain and get up close and personal with the structure of its unique design. Jul 20, 2017 ill write freeform comments when assessing students. Sheep brain dissection follow along with the steps in the exploratorium activity click on photo with your own specimen. Sheep brain dissection lab instructions this is a set of instructions with illustrated pictures for the dissection of the sheep brain. Review the outer part of the heart and make sure you know where these structures are. The objective of this dissection was to discover the internal and external anatomy of a sheeps brain to further understand the anatomy of a humans brain structure and to gain better knowledge of the central nervous system. See our other free dissection guides with photos and printable pdfs. Sheep brain dissection guide project learning center. Memory 1998 the exploratorium 1998 the exploratorium. There you will find images and text about their dissection of cougar, badger. Students make observations, learning about the structure and function of brain regions, white and gray matter. Discuss some differences between the human brain and the sheep brain. However, the adaptations of the sheeps brain differ from those of the human brain. Which division of the nervous system does the brain belong to.
This showed the brain cut in half and then cut like a loaf of brad on both sides. Sheep brain dissection michigan state university neuroscience program brain bee enrichment workshop october 6, 2012 material and information from this handout was adapted from the following sources. L2 studentpacket sheepbrainexploration project neuron. May 30, 2015 to begin get gloves and a rubber apron or lab coat. This guide is intended to lead you through the anatomy of the sheep brain dissection and also to make connections to the functional significance of the structures that you will locateand why brain injury. When doing this lab i use sheep brains purchased through a science catalog. Also, the sheep brain is oriented anterior to posterior more horizontally, while the human brain is oriented superior to interior more vertically. Sheep or pig brains suitable for dissection can be supplied as fresh, frozen or. To examine the major features of a mammalian heart. Jun 01, 2016 students then cut the brain at the longitudinal fissure to view the internal anatomy. Sheep brain dissection lab nervous system by science guys tpt. Sheep brain dissection guide planes of orientation in addition to the direction, the brain as a three dimensional object can be divided into three planes. The medulla helps the nerves cross over so the left hemisphere controls the right side of the body and vice versa. The image below shows a cleanly separated brain with the major internal structures visible and labeled.
The sheep brain is very similar to a human brain which allows you to observe the major structures and spaces in a specimen. Please be able to point out the following structures. This is a great lab activity for students learning about the brain and the nervous system. Are there similar numbers of gyri and sulci in your sheep brain as. Name some similarities between the human brain and the sheep brain. Sheep heart dissection procedure day 2 you will be cutting the heart open today. The sheep brain virtual dissection has photos of what students will view in the lab. Pick up dissection tray, dull probe, pins and labels obtain a sheep brain and share this with a partner or 2 rinse the sheep brain to remove preservative 3. Sheep brain dissection lab answer key sheep heart dissection questions answers. Sheep brains, although much smaller than human brains, have similar features and can be a valuable addition to anatomy studies. Sheep brain dissection human anatomy and physiology lab. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Students will learn about all of the external structures of the brain, including the dura mater, arachnoid mater, and pia mater, as well as the gyri and sulci before actually cutting the brain in half to explore the internal structures. I had a lot of fun doing this lab, it was very interesting.
This guide is intended to lead you through the anatomy of the sheep brain dissection and also to make connections to the functional significance of the structures that you will locateand why brain injury might cause functional and behavioral changes. During a sheep brain dissection laboratory, teacher kristen leverso began the class period by apologizing to the kids because they were. Take a minute and sketch this view of your sheep brain in the space below. Dissection and description of the anatomy of the sheep brain. In general, white matter is found internalexternal to gray matter in the brain. Sheep brain dissection grade level 512 lesson length 12 class periods lesson summary. Meninges of the brain brain is protected by the skull and 3 layers of. Objectives list and describe the principle structures of the sheep brain identify important parts of the sheep brain in a preserved synonym materials areas of the brain part one longitudinal cerebral fissure sheep brain dissection lab by melanie lewi, julia baird, and olivia.
Use this for a high school lab, or just look at the labeled images to get an idea of what the brain looks like. Home science tools recommends using disposable gloves for all dissections. Sheep brain dissection guide and steps when completing this procedure. After completing this dissection lab i realized many things that i didnt know before about the brain. Before the dissection it is recommended the teacher or laboratory technician trial the. Jan 12, 2009 free essays on sheep heart dissection lab report.
Cat dissections online virtual frog dissection kit clam dissection virtual mouse necropsy cockroach dissection the virtual pig dissection cows eye dissection rat dissection guide i and ii. Sheep brain dissection lab instructions aurum science. Sheep brain dissection 1 before starting this lab, open the brain parts and functions document. To supplement this lesson, visit s adventure ahead page. Place the brain on a dissection tray, dorsal side up. Sheep brain dissection picture guide tufts university. Sheep brain dissection lab by melanie lewi on prezi. The sheep brain is quite similar to the human brain except for proportion.
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