The Cell Lecture 19

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  • Created by: saraht83
  • Created on: 01-05-16 21:57
animals with internal skeletal/bone structures, size and mobility gives them a survival advantage, often control and dominate environment
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Vertebrate nervous system
most nerves found within a central region associated with storage and processing
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Central nervous system
comprises brain and spinal cord, huge variation
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Brain stem
controls basic, autonomic functions
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integrates sensory and motor movements
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complex behaviour, emotions, learning, memory
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Shark brain
very simple, few complex behaviours hence little or no cerebrum/cerebellum, mainly deals with autonomic function, sensory input + motor response (brain stem)
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Alligator brain
little more complex, more developed brain stem, olfactory bulb + cerebellum, sensory activity required in + out of water, motor responses can be complex, little or no cerebrum
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Pig brain
more complex, socially aware, displays personality + memory, highly developed sense of smell, co-ordinated + precise motore + sensory systems, courtesy of developed cerebrum + cerebellum
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Human brain
highly complex, most prominent area is cerebrum, complex behaviour, socially aware + conscious, capable of advanced learning and memory, complex personality structure, highly evolved cerebellum, huge amount of integration
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Neural tube
hollow tube of tissue that runs length of early embryos on dorsal surface, structures become more folded but maintain divisions
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intricate control of motor and sensory function
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Pons and Medulla
connects spinal cord and brain, control involuntary functions
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part of brain stem, number of structures associated with sensory inputs mainly vision and olfaction
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cerebrum, divided into two hemispheres, complex array of lobes, perception, learning, memory, conscious behaviour
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consists of thalamus and hypothalamus
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final sensory relay between spinal cord and forebrain
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regulates many functions e.g. temperature, thirst, hunger
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Corpus callosum
allows cerebral hemispheres to communicate
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Grey matter
mainly neuronal cell bodies
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White matter
mainly axons
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Outer region
cerebral cortex, grey matter forms layer over brain surface
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Boxing glove appearance (left side)
thumb is temporal lobe, curled fingers are frontal lobe, back of hand is parietal lobe, wrist is occipital lobe
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Contralateral control
right hemisphere controls left side of body and vice versa
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most nerves found within a central region associated with storage and processing


Vertebrate nervous system

Card 3


comprises brain and spinal cord, huge variation


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Card 4


controls basic, autonomic functions


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Card 5


integrates sensory and motor movements


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