KIN 324K Chapter Notes - Chapter 4: Pineal Gland, Lateralization Of Brain Function, Auditory Cortex
22 Dec 2016
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Anatomy unit 4 pia mater - -innermost layer. Tightly adheres to every area of the brain arachnoid mater - -arachnoid trabeculae. Sympathetic parasympathetic sympathetic - fight or flight parasympathetic - resting and digesting cns. Tough consisted of 2 layers fused together dural septa - -meningeal layer dips down. Separates specific parts of the brain and provides additional stability subdural space - -allows dura and arachnoid layers to slide past each other periosteal layer - -layer closest to skull. Dura mater meningeal layer - -layer closest to brain. Dura mater dural sinus - -space between arachnoid and dura mater. Drain blood from the brain choroid plexus - where csf is produced csf exit - lateral and medial apertures csf transport process - -exits choroid plexus to lateral ventricles. Glucose, co2, o2, and lipid soluble substances can go in and out. Drugs and alcohol can enter blood brain barrier structure - -lots of tight junctions present to prevent substance transfer.
