Brain 750-2100cc 97% neural tissue 1.4kg (3 lb) Embryonic Development Ventricle Physical Protection cranium cranial meninges - dura外, arachnoid, pia内 CSF Buoyancy Protection Environmental stability Biochemical Isolation BBB Regulate substances entering interstitial fluid Blood-CSF Barrier ependymal cell capillaries of choroid plexus Brain Region Cerebrum 大脑 outer gray, inner white gyri separated by sulci/fissure hemisphere lateralization Lobe frontal = voluntary motor, concentration, verbal communication, decision making, planning, personality parietal = sensory function temporal 听闻 occipital 目 lateral sulcus + insula = memory & taste Functional Areas Cerebral/Basal Nuclei Diencephalon Epithalamus pineal gland - melatonin habenular nuclei Thalamus Hypothalamus Limbic System Medulla Oblongata & Pons Cerebellum 小脑 Midbrain
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