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Download Lab 10 SGOs: The Brain and Cranial Nerves
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Pierce College Putman/Biol 241 Name: ________________________________ Lab 10 SGOs: The Brain and Cranial Nerves (10 points) Lab Report 9: Marieb & Mitchell 9th Ed: Exercise 19 (Activities 1 & 2 + sheep brain dissection) + Review Sheet 19 (1-18); 10th Ed & 11th Ed: Exercise 17 (Activities 1 & 2 + sheep brain dissection + “group challenge”) + Review Sheet 17 (1-18) Pierce College Student Outcome: Lab Objective 7: Draw and label the characteristic features of a giant multipolar neuron and associated neuroglia. Lab Objective 11: With a sheep’s brain, describe and identify the meninges, major parts of the brain (cerebrum, diencephalon – thalamus/hypothalamus, brainstem – midbrain/pons/medulla oblongata, and cerebellum), individual brain structures as specified, blood supply to the brain (cerebral arterial circle) and cranial nerves. By completing and understanding this lab, you should be able to do the following: 1. On models, diagrams, cadaver preparations or photographs of the external brain, identify the: cerebrum olfactory bulb CN V: trigeminal nerve longitudinal fissure olfactory tract CN VI: abducens nerve frontal lobe CN II: optic nerve CN VII: facial nerve parietal lobes optic chiasma CN VIII: vestibulocochlear n. temporal lobes CN III: oculomotor CN IX: glossopharyngeal n. occipital lobes pituitary gland CN X: vagus nerve lateral sulcus mammillary body CN XI: accessory nerve central sulcus pons CN XII: hypoglossal nerve cerebellum medulla oblongata CN I: olfactory CN IV: trochlear nerve 2. On models, diagrams, cadaver preparations or photographs of the internal brain, identify the cerebrum inferior colliculi cerebellum corpus callosum thalamus arbor vitae fornix interthalmic adhesion third ventricle lateral ventricle hypothalamus aquaduct of Sylvius anterior commissure mammillary body fourth ventricle pineal gland pituitary choroid plexus corpora quadrigemina pons superior colliculi medulla oblongata 3. On prepared specimens or photographs of a sheep brain, identify the corpora quadragemina dura mater infundibulum medulla oblongata pia mater pons spinal cord cerebrum mammillary body olfactory bulb cerebellum cerebral peduncle olfactory tract pineal body oculomotor nerve optic nerve superior colliculus trigeminal nerve optic chiasma inferior colliculus Putman/Pierce College Biol 241 Lab 10 SGOs/20150628 4. On prepared specimens or photographs of a dissected sheep brain, identify the cerebrum cerebellum pons corpus callosum arbor vitae medulla oblongata fornix pineal body lateral ventricles interthalmic adhesion corpora quadragemina third ventricle cerebral peduncle superior colliculus aquaduct of Sylvius optic chiasma inferior colliculus fourth ventricle 5. On microscope slides or photomicrographs of brain tissue, identify giant multipolar neurons. 6. On microscope slides or photomicrographs of brain tissue, identify astrocytes. Putman/Pierce College Biol 241 Lab 10 SGOs/20150628
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