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Comparing the Sheep Brain to the Human Brain – A Visual Guide to Use During Sheep Brain Dissection Laboratories Margarita Bracamonte, Ph.D. Northland Community.

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Presentation on theme: "Comparing the Sheep Brain to the Human Brain – A Visual Guide to Use During Sheep Brain Dissection Laboratories Margarita Bracamonte, Ph.D. Northland Community."— Presentation transcript:

1 Comparing the Sheep Brain to the Human Brain – A Visual Guide to Use During Sheep Brain Dissection Laboratories Margarita Bracamonte, Ph.D. Northland Community & Technical College, East Grand Forks, MN

2 I have edited Dr. Bracamonte’s presentation to better fit our Cameron Human Anatomy course. - Ron Gaines

3 Human Brain Cerebellum Sheep Brain Spinal Cord

4 The human brain (and sheep brain) is made up of four parts: 1. Cerebrum 2. Cerebellum Human Brain Sheep Brain Continues…

5 3. Diencephalon Human Brain Sheep Brain 4. Brainstem Midsagittal Section

6 Ventral View Human Brain Sheep Brain Brainstem Spinal Cord

7 Structures found in the Cerebrum Cerebrum Human BrainSheep Brain Superior View

8 Cerebrum – Superior View Cerebrum – Superior View Longitudinal Fissure Human Brain Sheep Brain

9 Cerebrum Cerebrum Transverse Fissure Human Brain – Right Lateral View Sheep Brain – Superior View

10 Cerebrum Cerebrum Human Brain – Lateral View Sheep Brain – Superior View Gyri (Gyrus – Singular)

11 Cerebrum Cerebrum Sulci (Sulcus – Singular) Human Brain – Left Lateral View Sheep Brain - Superior

12 Cerebrum – Midsagittal View Cerebrum – Midsagittal View Sulci - shallow groves between gyri Human Brain

13 Human Brain (Right Lateral View)-Cerebral Lobes Frontal LobeParietal Lobe Temporal LobeOccipital Lobe

14 Gray & White Matter of the Cerebrum Sheep Brain (Anterior) (Posterior) Gray Matter White Matter Human Brain

15 Gray Matter = Cerebral Cortex Cerebral Cortex Human Brain What parts of a neuron are found at the cerebral cortex?

16 White Matter Human Brain What parts of a neuron are found in cerebral white mater?

17 Corpus Callosum Human Brain Sheep Brain Midsagittal Section Structures found at the Cerebrum

18 Fornix Human Brain Sheep Brain Midsagittal Section Structures found at the Cerebrum

19 Lateral Ventricles Human Brain Sheep Brain Midsagittal Section Structures found at the Cerebrum

20 Third Ventricle Human Brain Sheep Brain Midsagittal Section Structures found at the Cerebrum

21 Fourth Ventricle Human Brain Sheep Brain Midsagittal Section Structures found at the Cerebrum

22 Structures found at the Cerebellum Cerebellum Human Brain Sheep Brain

23 Human Brain Sheep Brain Midsagittal Section Cerebellar Cortex (Gray matter) What parts of a neuron are found in the cerebellar cortex? Human Brain

24 Sheep Brain Midsagittal Section Cerebellar white matter (arbor vitae) What parts of a neuron are found in the arbor vitae? Human Brain

25 Ventral View Human BrainSheep Brain Brainstem Spinal Cord Structures found at the Brainstem

26 Spinal Cord Pons Structures found at the Brainstem Human Brain Sheep Brain

27 Spinal Cord Medulla Oblongata Structures found at the Brainstem Human Brain Sheep Brain

28 Midsagittal Section Midbrain Human Brain Structures found at the Brainstem

29 Diencephalon Human Brain Sheep Brain Midsagittal Section Structures found at the Diencephalon

30 Thalamus (mostly intermediate mass) Human Brain Sheep Brain Midsagittal Section Structures found at the Diencephalon

31 Hypothalamus Human Brain Sheep Brain Midsagittal Section Structures found at the Diencephalon

32 Spinal Cord Cranial Nerves – Olfactory Nerve connections Human Brain – Ventral View Sheep Brain – Ventral View Olfactory Bulbs

33 Spinal Cord Cranial Nerves – Olfactory Nerves Human Brain – Ventral View Sheep Brain – Ventral View Olfactory Tracts

34 Spinal Cord Cranial Nerves – Optic Nerves Human Brain Sheep Brain

35 Spinal Cord Optic Nerves Cross at Optic Chiasm Optic Nerves Cross at Optic Chiasm Human Brain Sheep Brain Optic Chiasm

36 Spinal Cord Cranial Nerves – Optic Nerves Human Brain Sheep Brain Optic Tracts

37 Practice your Knowledge of Human Brain Anatomy…. Anterior Posterior 1. Name the cerebral lobe

38 Practice your Knowledge About the Human Brain Anatomy…. Anterior Posterior 2. Name this part of the human brain. Anterior Posterior

39 Practice your Knowledge About the Human Brain Anatomy…. 3. Name this part of the human cerebrum Anterior Posterior

40 Practice your Knowledge About the Human Brain Anatomy…. 4. Name this part of the brainstem Inferior view of the human brain.

41 Practice your Knowledge About the Human Brain Anatomy…. 5. Name these nerves Inferior view of the human brain.

42 Practice your Knowledge About the Human Brain Anatomy…. Anterior Posterior 6. Name this fissure 7. What fills this fissure? Anterior Posterior

43 Answers 1. Temporal lobe 2. Cerebellum 3. Corpus callosum 4. Pons 5. Optic nerves 6. Transverse fissure 7. Tentorium cerebelli


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