Neural In class Notes

Neural In class Notes - Neural In class Notes Ectopic not...

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Neural In class Notes Ectopic – not in usual place Two main cells o Neurons o Glial cells Cells that support the neurons o Neurons + glial cells = nervous tissue Central nervous system o Brain and spinal cord Peripheral nervous system Too much fluid on brain and spinal cord(CHF)- hydrocephalies o Treatment: shunt in abdominal cavity o Brain has open areas – ventricles – put tube in and allow to drip into abdominal cavity o Too little reabsorption Spinal tap – fluid – the fluid was in the brain so can draw from spine and see what was going on in brain Spinal fluid –CSF- acellular Motor nerves- control muscles and glands Sensory nerves- how body detects everything in environment o Always send messages to the brain- afferent Somatic nervous system – voluntary Autosomatic – involuntary Senses of the body o No matter what you are sensing it is always sensed by a dedicated sensor Sensory receptor only senses one factor Called transducers – receptors Transduce – take one form of energy and transform it into another form or energy o
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