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ANAT 173 (1)
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Reference Guide

Brain - Reference Guides

4 Pages
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Department
ANAT - Anatomy
Course Code
ANAT 173
Professor
All

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p erm ac hartsMT Brain 2nd EDITION FIGURE 1: GROSS ANATOMY (LATERAL VIEW) 1 Figure 1: Gross Anatomy (Lateral View) 2 20 3 19 1 Postcentral sulcus 4 2 Postcentral gyrus 18 3 Central sulcus 4 Precentral gyrus 5 5 Precentral sulcus 6 6 Superior frontal gyrus 7 Superior frontal sulcus 8 Frontal pole 7 9 Lateral sulcus (of Sylvius) 10 Superior temporal gyrus 8 11 Superior temporal sulcus 12 Middle temporal gyrus 13 Inferior temporal gyrus 17 14 Pons 15 Medulla oblongata 9 16 Cerebellum 10 17 Occipital pole 18 Inferior parietal lobule 11 19 Intraparietal sulcus 12 20 Superior parietal lobule 13 16 14 15 FIGURE 2: LOBES (LATERAL VIEW) 12 11 10 • Each hemisphere of the cerebrum is divided into five lobes: frontal (purple), Parietal parietal (orange), temporal (green), Lobe 9 occipital (blue), and insula (yellow) Frontal Lobe 8 Figure 2: Lobes (Lateral View) 1 Frontal association area (Right 1 Occipital hemisphere: non-verbal, artistic Lobe ability; Left hemisphere: speech, language, and calculation) 2 Speech (Broca’s area) 3 Olfaction 4 Auditory association area 2 7 5 Hearing 6 Vision 7 Visual association area 6 8 Reading 9 Somatic association area Insula 10 Speech (Wernicke’s area) 3 11 Primary sensory area Temporal 12 Primary motor area Lobe 5 4 1 BRAIN • 1-55431-013-X w w w.permacharts.com © 2005-2013 Mindsource Technologies Inc. permachartsM FIGURE 3: VENTRICLES & FLOW OF CEREBROSPINAL FLUID • Cerebrospinal fluid (CSF) is produced by the choroid plexi of the late• Changes in the carbon dioxide content of CSF affect the respiratory center in and fourth ventricles • After flowing through the ventricles, CSF passesthe medulla, which helps to regulate breathing the central canal of the spinal cord and the cerebral and spinal subarachnoid space, moving upward over the cerebral hemispheres • It is then absorbed intovolume of CSF in the average adult is about 140 mL, with about 23 mL the venous blood mainly through the arachnoid villi in the ventricles and 117 mL in the subarachnoid space of the brain 10 Figure 3: Ventricles & Flow 11 of Cerebrospinal Fluid 1 1 Lateral ventricle 2 Anterior horn of lateral ventricle 3 Foramen of Monro 2 4 Third ventricle 5 Inferior horn of lateral ventricle 3 6 Cerebral aqueduct 7 Fourth ventricle 8 Foramen of Luschka 9 Foramen of Magendie 4 10 Posterior horn of lateral ventricle 11 Arachnoid granulation 5 6 7 8 9 FIGURE 4: MIDSAGITTAL SECTION • The brain consists of three ma• The diencephalon deals primarilyinformation, andthe inferior regions: the forebrain, midbrain,with behavior and emotions, and colliculi, whichreceive and Figure 4: Midsagittal Section and hindbrain the telencephalon performs integrate auditory information 1 Cingulate gyrus • The forebrain contains the sensory functions, motor •The hindbrainconsists of the 2 Corpus callosum diencephalon, which includes functions, and functions cerebellum, medullaoblongata, the thalamus, hypothalamus, and associated with various mental andpons, whichfunctionin 3 Fornix activities 4 Septum pellucidum other structures associated with movement coordination, the limbic system, and the •The mainparts of the midbrainare homeostasis, andsignal 5 Anterior commissure telencephalon, which includes the superior colliculi, which conduction, respectively 6 Thalamus the cerebrum receive andintegrate visual 7 Hypothalamus 8 Olfactory bulb 20 9 Mammillary body 10 Pituitary gland 1 11 Amygdaloid body (phantomed) 19 2 12 Cerebral peduncle 3 13 Pons 18 4 14 Medulla oblongata 15 Choroid plexus of fourth 5 ventricle 17 6 16 Cerebellum 7 17 Inferior colliculus 8 18 Superior colliculus 19 Pineal body 16 9 20 Choroid plexus of
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