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a&p_lab_ex_19 - NAME LAB TIME/DATE Gross Anatomy of the...

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NAME _ LAB TIME/DATE Gross Anatomy of the Brain and Cranial Nerves The Human Brain h 1. Match the letters on the diagram of the human brain (right lateral view) to the appropriate terms listed at the left. I. frontal lobe a 2. parietal lobe 9 b 3. temporal lobe c h 4. precentral gyrus d 5. parieto-occipital sulcus 6. postcentral gyrus e k 7. lateral sulcus 10. medulla 8. central sulcus d II. occipital lobe 9. cerebellum k 12. pons b j f c a g e auditory area: _t_em_p'--o'_oa_l _ 2. In which of the cerebral lobes would the following functional areas be found? olfactory area: _t_em_p'--o_l_oa_I _ primary motor area: ...::fi_ro_n_t_al _ visual area: occipital -~------------------ primary sensory area: -"p_a_r_ie_ta_l _ Broca's area: frontal --"------------------ ( cerebral hemispheres) pons midbrain 3. Which of the following structures are not part of the brain stem? (Circle the appropriate response or responses.) medulla ( cerebellum) ( diencephalon) 4. Complete the following statements by writing the proper word or phrase on the corresponding blanks at the right. A(n) __ 1__ is an elevated ridge of cerebral tissue. The convo- lutions seen in the cerebrum are important because they increase the __2__ . Gray matter is composed of __3__ . White matter is composed of __4__ .A fiber tract that provides for communication between different parts of the same cerebral hemisphere is called a(n) __5__ , whereas one that carries impulses to the cerebrum from, and from the cerebrum to, lower CNS areas is called a(n) __6__ tract. The lentiform nucleus along with the caudate nuclei are collectively called the __7__ . I. gyrus 2. surface area 3. neuron cell bodies 4. myelinated fibers 5. association tract 6. projection 7. basal nuclei 127
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5. Identify the structures on the following sagittal view of the human brain stem and diencephalon by matching the numbered areas to the proper terms in the list. 18 a. cerebellum 15 b. cerebral aqueduct 1 c. (small part of) cerebral hemisphere 14 4 d. cerebral peduncle 10 5 e. choroid plexus 6 13 f. corpora quadrigemina 7 2 g. corpus callosum 4 8 h. fornix 9 16 i. fourth ventricle 6 j. hypothalamus 5 k. intermediate mass 7 n. optic chiasma 17 q. pons 8 l. mammillary bodies 12 o. pineal body 3 r. septum pellucidum 19 m. medulla oblongata 9 p. pituitary gland 11 s.
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