Sheep Brain Dissection

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Presentation transcript:

Sheep Brain Dissection

Dorsal Anterior (rostral) Posterior (Caudal) Ventral 2 Cerebral Hemispheres

Lateral View Mid-Saggital View Sheep Brain Human Brain

Lateral View Mid-Saggital View Sheep Brain Human Brain Just one long tube that is folded back on itself!

Base of Brain and Cranial Nerves

Ventricles of the CNS Lateral Ventricles Third Ventricle Fourth Ventricle Cerebral aqueduct Central Canal of the spinal cord

Regions of the Central Nervous System Forebrain Midbrain Hindbrain Telencephalon Diencephalon Myelencephalon Metencephalon Mesencephalon Spinal Cord

Hindbrain (Metencephalon and Myelencephalon) Medulla Oblongata Pons Cerebellum

Midbrain (mesencephalon) Tectum Tegmentum -Superior Colliculus -Inferior Colliculus

Midbrain (mesencephalon) Tectum Tegmentum -Superior Colliculus -Inferior Colliculus Superior Colliculus Inferior Colliculus Cerebellum

Forebrain Forebrain Telencephalon Diencephalon Thalamus Hypothalamus Optic Chiasm Corpus Collasum Medial Side of Neocortex Neocortex Basal Ganglia Amygdala Hippocampus “Limbic System”

Telencephalon Neocortex Corpus Collasum White Matter (Fiber Tracts) Basal Ganglia Accumbens White Matter (Fiber Tracts) Corpus Collasum Lateral Ventricle Neocortex

Telencephalon and Diencephalon Basal Ganglia Accumbens White Matter (Fiber Tracts) Corpus Collasum Lateral Ventricle Neocortex Thalamus Hypothalamus Hippocampus Lateral Ventricle Third Ventricle

Hippocampus Curves Around

With Great Appreciation for those on the Internet…. http://www.humboldt.edu/~sheep/pge2.html (cant access but Humbolt Univ.) http://library.med.utah.edu/WebPath/HISTHTML/NEURANAT/CNS014A.html (Univ. Utah) http://www.anatomyatlases.org/ (Virtual Hospital at Univ. Iowa) https://www.msu.edu/~brains/brains/ (Michigan State Univ.) http://sps.k12.ar.us/massengale/sheep_brain_dissection_bi.htm (cant access) http://starklab.slu.edu/neuro/SheepBrain.htm (William Stark) With Great Appreciation for those on the Internet….

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